Chapter 16

The Chronology of Genesis 5 — The Antediluvian Patriarchs and the Corrupted Timeline

In the previous two chapters, we examined how the Messianic prophecies in the Old Testament were systematically altered in the Masoretic Text — first in the Torah and the Prophets (Chapter 14), then in the Psalms and the Writings (Chapter 15). We saw that the changes consistently moved in one direction: weakening or removing the Christological witness of the text. Now we turn to a different kind of alteration — one that involves not words but numbers. And the numbers tell a story that is every bit as dramatic as the textual changes we have already documented.

Genesis 5 is one of the most fascinating chapters in the entire Bible. At first glance, it looks like a dry list of names and ages — the kind of passage that most people skip over in their daily reading. Adam lived 930 years. Seth lived 912 years. Enosh lived 905 years. And so on. But buried in these numbers is something truly extraordinary: a complete chronology that traces the line of the Messiah from Adam to Noah, generation by generation, with exact dates. This is not just a genealogy. It is a chronogenealogy — a term coined by scholar Gerhard Hasel — meaning it serves both as a family tree and as a timeline.¹

And here is where things get really interesting. When we compare the numbers in Genesis 5 across our three major textual witnesses — the Septuagint (LXX), the Masoretic Text (MT), and the Samaritan Pentateuch (SP) — the differences are enormous. We are not talking about small scribal errors or minor copyist mistakes. We are talking about a systematic pattern of alteration that removed approximately 600 years from the antediluvian timeline. The question is: Who changed the numbers, and why?

In this chapter, I want to make the case that the evidence strongly supports one conclusion: the Masoretic Text deflated the original chronology. The LXX preserves the original numbers, and the MT's shorter ages are the result of deliberate editorial activity carried out by second-century rabbis. This is the same group — centered around Rabbi Akiba and his school — that we have already seen altering Messianic prophecies (Chapter 12) and commissioning replacement translations of the Greek Old Testament (Chapter 13). The chronological corruption is part of the same program of textual revision.

What Is a Chronogenealogy?

Before we dive into the numbers, we need to understand what Genesis 5 is actually doing. Most genealogies in the Bible simply list names — so-and-so was the father of so-and-so. But Genesis 5 (and Genesis 11, which we will treat in Chapter 17) does something unique. For each patriarch, the text gives us three numbers: (1) the age at which the patriarch "brought forth" (Hebrew: yalad, יָלַד) his son of promise — the next person in the Messianic line; (2) the number of years the patriarch lived after that son was born; and (3) the total lifespan.²

Why does this matter? Because those "begetting ages" — the age at which each patriarch fathered his son — create a chain. If Adam was 230 years old when Seth was born (as the LXX says), and Seth was 205 when Enosh was born, and Enosh was 190 when Kenan was born, and so on, then we can add up all those begetting ages and calculate exactly how many years passed from Adam to Noah. The begetting ages are the links in the chain. Change those numbers, and you change the entire timeline of the ancient world.

Scholar Jeremy Sexton has demonstrated convincingly that the Hebrew grammar of Genesis 5 makes it clear that these numbers are intended as a precise chronology. The Hebrew verb yalad (יָלַד) in the hiphil form means "he caused to be brought forth" — and the direct-object accusative construction ties the named descendant directly to the patriarch's age. In other words, when Genesis 5:9 says "Enosh lived 90 years and brought forth Kenan," the grammar tells us that Kenan himself — not some unnamed ancestor — was born when Enosh was 90.³ The chronology is airtight. The begetting ages establish an unbroken sequence of dates from Adam to Noah.

The Data: Comparing the Numbers Across the Witnesses

Now let us look at the actual numbers. The following table compares the "begetting ages" — the age of each patriarch when he fathered his son of promise — across all four of our major witnesses: the Septuagint, the Masoretic Text, the Samaritan Pentateuch, and Josephus (from his Antiquities of the Jews, written around 93 AD).⁴

Look at that table carefully. For the first five patriarchs — Adam, Seth, Enosh, Kenan, and Mahalalel — the LXX's begetting age is exactly 100 years higher than the MT's. For Enoch, the same pattern holds: 165 in the LXX versus 65 in the MT. That is six patriarchs with a precise, consistent 100-year difference. Jared, Methuselah, and Noah show the same numbers in both the LXX and the MT.⁵

Now here is the crucial part. Look at the total lifespans:

Do you see it? The total lifespans are identical in the LXX and the MT (with the minor exception of a small variation for Lamech). This means that whoever changed the numbers did something very precise: they subtracted 100 years from the begetting age and added 100 years to the remaining years, so that the total lifespan stayed the same. This is exactly what you would expect from a deliberate editor — someone who wanted to compress the chronology while keeping the lifespans unchanged so the alteration would be harder to detect.⁶

Making the Pattern Vivid: Walking Through the Patriarchs

Let me walk through the first few patriarchs so we can see this pattern up close.

Adam. According to the LXX, Adam was 230 years old when Seth was born. He then lived another 700 years and died at age 930. In the MT, Adam was only 130 when Seth was born. He lived another 800 years and died at the same age — 930. The editor simply moved 100 years from the "begetting age" column to the "remaining years" column. The total lifespan stays at 930. The only thing that changes is when Seth was born — and therefore the chronology.

Seth. The LXX says Seth was 205 when Enosh was born, with 707 remaining years, for a total lifespan of 912. The MT says Seth was 105, with 807 remaining years — same total of 912. Again, 100 years moved from one column to the other.

Enosh. The LXX says 190 at Kenan's birth, with 715 years remaining (total: 905). The MT says 90, with 815 remaining (total: 905). The same precise adjustment.

Kenan. LXX: 170 at Mahalalel's birth, 740 remaining, total 910. MT: 70, with 840 remaining, total 910.

Mahalalel. LXX: 165 at Jared's birth, 730 remaining, total 895. MT: 65, with 830 remaining, total 895.

Enoch. LXX: 165 at Methuselah's birth, 200 remaining (Enoch was taken by God at 365). MT: 65, with 300 remaining, same total of 365.

The pattern is unmistakable. It repeats patriarch after patriarch, like a drumbeat. And here is the key question: Could this be the result of accidental scribal error? The answer is clearly no. A copyist who accidentally misread a number would produce a random error — perhaps changing one patriarch's age by a few years in one direction, and another patriarch's age by a different amount in the other direction. What we see here is the opposite of randomness. We see mathematical precision — the same 100-year adjustment, applied in the same direction, to the same column, for patriarch after patriarch, with a compensating adjustment in the other column to preserve the total. This is the work of a deliberate editor.⁷

The Chronological Impact: 600 Missing Years

What difference do these changes make? When we add up all the begetting ages in Genesis 5, the total number of years from Adam to the birth of Noah is approximately 600 years longer in the LXX than in the MT. To be precise, the LXX's antediluvian chronology yields roughly 2,242 years from Adam to the Flood (the exact number varies slightly depending on which LXX manuscript tradition is followed), while the MT yields approximately 1,656 years.⁸

This 600-year difference in Genesis 5, combined with the additional centuries removed from Genesis 11 (which we will examine in Chapter 17), means that the MT's total chronology from Adam to Abraham is approximately 1,386 years shorter than the LXX's. When we also factor in the Seder Olam's compression of the Persian period (roughly 165 additional years), the total chronological reduction approaches 1,550 years.⁹

In practical terms, this means that the LXX places the creation of the world at approximately 5,500 BC (with various Church Fathers calculating dates between about 5,500 and 5,200 BC), while the MT — as calculated by Bishop Ussher and others — places creation at approximately 4,000 BC. The Jewish calendar, based on the Seder Olam, places creation at 3,761 BC — even shorter than Ussher's date, because the Seder Olam compresses not only the Genesis chronologies but also the postexilic period.¹⁰

Evidence That the LXX Preserves the Original Chronology

So which set of numbers is original — the LXX's longer chronology or the MT's shorter one? I believe there are several powerful lines of evidence that the LXX preserves the original numbers and that the MT has been deflated. Let me walk through them one by one.

1. Josephus Follows the Longer Chronology

This is perhaps the single most important piece of evidence. Flavius Josephus was a first-century Jewish historian who wrote his Antiquities of the Jews around 93 AD — before the rabbinic standardization of the Masoretic Text was complete. Josephus had access to the Temple archives in Jerusalem. He was a priest by birth. He was deeply familiar with the Jewish Scriptures. And when he recounted the ages of the antediluvian patriarchs, he consistently followed the longer chronology — the one preserved in the LXX.¹¹

Think about what this means. If the MT's shorter ages were original — if the Hebrew text had always said that Adam was 130 when Seth was born — then Josephus, a Jewish priest with access to the Temple scrolls, would have followed the shorter numbers. The fact that he follows the LXX's longer numbers tells us that in the first century AD, the Hebrew text that Josephus was reading still had the longer chronology. The shorter numbers had not yet been introduced into the Hebrew text.

Woodward emphasizes this point at length, noting that Josephus's chronology cannot be reconciled with the MT. Josephus explicitly stated that his work covered approximately 5,000 years of Jewish history — a figure consistent with the LXX chronology but dramatically at odds with the MT's roughly 3,900 years from Adam to Christ. Moreover, Josephus repeated this calculation in multiple "epochal comments" throughout his Antiquities, reinforcing the longer timeline at various points in the narrative.¹²

There is another ancient Jewish text that confirms the longer chronology: the Liber Antiquitatum Biblicarum (LAB), sometimes called Pseudo-Philo. This work, probably dating to the first century AD, also follows the LXX's longer ages for the antediluvian patriarchs. Together, Josephus and LAB demonstrate that first-century Judaism — before the rabbinic revisions — used the longer chronology. The shorter numbers found in the MT are a later innovation.¹³

We should pause and feel the full weight of this evidence. We are not dealing with some obscure manuscript fragment or a disputed reading in a single codex. We are dealing with the most prominent Jewish historian of the ancient world — a man whose works were widely read and preserved — who consistently, repeatedly, and explicitly follows the longer chronology. Josephus did not have access to the Septuagint alone. He was reading Hebrew texts. His agreement with the LXX's numbers proves that the Hebrew manuscripts in first-century Palestine still contained the longer chronology. The shorter numbers in the MT were introduced later, after Josephus's time, as part of the second-century rabbinic revision.⁴⁶

Sexton and Smith drive this point home with remarkable clarity: before the second century AD, no Jewish scholar anywhere used the MT's shorter dates. Every Jewish source that can be dated with confidence to the first century or earlier — Josephus, LAB, and the Septuagint itself — follows the longer chronology. The shorter chronology appears only after the rabbinic revisions of the second century. If the MT's numbers were original, we would expect to find them reflected in at least some pre-second-century sources. The fact that we do not find them in a single source is devastating to the claim that the MT preserves the original chronology.⁴⁷

2. The Samaritan Pentateuch Partially Confirms the LXX

The Samaritan Pentateuch (SP) is an independent textual tradition of the Torah preserved by the Samaritan community. It is not dependent on either the LXX or the MT. When we compare the SP's numbers to the LXX and MT, we find a fascinating pattern: for the first five patriarchs in Genesis 5, the SP agrees with the MT's lower begetting ages. But the SP also shows its own independent alterations — for example, it deflates Jared's begetting age by 100 years (to 62) and dramatically alters Methuselah's and Lamech's numbers in ways that neither the LXX nor the MT do.¹⁴

Henry B. Smith Jr. has demonstrated that the SP's chronological numbers were likely altered in the second century BC to conform to the chronological system found in the Book of Jubilees. The close alignment between the SP's chronology and the Jubilees calendar — including their nearly identical date for the Flood (1,307 AM in the SP versus 1,308 AM in Jubilees) — is too precise to be coincidental. Smith argues persuasively that the SP was deliberately changed to align with Jubilees, probably around the same time that other editorial changes were being made to the SP.¹⁵

What does this mean for our question? It means that the SP cannot be used as a simple confirmation of the MT's shorter chronology, because the SP's numbers have their own independent history of alteration. More importantly, for the postdiluvian patriarchs in Genesis 11 — which we will examine in Chapter 17 — the SP generally agrees with the LXX's higher begetting ages against the MT's lower ones (with only a few exceptions). This partial agreement between the LXX and the SP against the MT in Genesis 11 is significant evidence that the longer chronology is original.

3. The Church Fathers Used the Longer Chronology

Every major Church Father who calculated a date for the creation of the world used the LXX's longer chronology. Eusebius of Caesarea, Julius Africanus, Theophilus of Antioch, Clement of Alexandria — all of them worked from the LXX's numbers. Their dates for creation ranged from about 5,500 BC to about 5,200 BC, consistent with the LXX but irreconcilable with the MT.¹⁶

Even Augustine, who at one point floated the theory that a "rogue scribe" might have inflated the LXX's numbers, ultimately embraced the LXX's longer chronology in his own calculations. As Smith points out, Augustine explicitly stated that the years from the Flood to Abraham total 1,072 years — a figure consistent with the LXX and wildly at odds with the MT's approximately 292 years. Augustine also accepted the legitimacy of the additional patriarch Cainan in the LXX's Genesis 11 genealogy. His embrace of the LXX's numbers as representing the original inspired text is, as Smith puts it, "irrefutable."¹⁷

4. The Internal Logic of the Text

Consider this simple observation. In the MT's chronology, some of the patriarchs father their son of promise at remarkably young ages — young, that is, relative to their extraordinary lifespans. Mahalalel fathers Jared at 65. Enoch fathers Methuselah at 65. Now, there is nothing impossible about fathering a child at 65. But remember, these are men who live for 895 years (Mahalalel) and 365 years (Enoch). Why would a man who lives nearly 900 years father his first named son at 65? That is like a modern person who lives to 80 having their first child at age 6. It is biologically possible but proportionally absurd.¹⁸

The LXX's higher ages — 165 for both Mahalalel and Enoch — are far more proportionally consistent with the extraordinary lifespans attributed to these patriarchs. If a man lives 895 years, fathering his named son at 165 makes much better sense than fathering him at 65. The LXX's numbers are internally coherent in a way that the MT's are not.

The Counterargument: Did the LXX Inflate the Numbers?

In fairness, we should present the opposing view as strongly as possible. Some scholars have argued that it was the LXX translators who changed the numbers — inflating the begetting ages to create a longer chronology. What reasons might the LXX translators have had for doing this?

The most common argument is the envy theory: the Alexandrian Jews who translated the Pentateuch around 282 BC were surrounded by the monuments and records of ancient Egypt, whose history stretched back thousands of years before the biblical period. Supposedly, the translators inflated the Genesis chronology to make Jewish history appear older and more impressive, putting it on an equal footing with Egyptian history.²⁰

There are several serious problems with this theory. First, as Henry B. Smith Jr. points out, a defense of the MT requires us to believe that the Alexandrian translators systematically added 100 years to twelve different begetting ages across two chapters — a coordinated act of falsification. But the LXX Pentateuch was a translation project, not a revision. The translators were rendering a Hebrew text into Greek. If the Hebrew text they were translating already had the shorter numbers, changing all twelve begetting ages (but not the lifespans!) while maintaining perfect mathematical consistency would require an extraordinary and deliberate conspiracy — one carried out on what was, by all accounts, a carefully supervised and respected translation.²¹

Moreover, the inflation theory cannot explain how the inflated numbers would have been maintained in all subsequent LXX manuscripts. Once copies of the translated Pentateuch left the Alexandrian library and circulated throughout the Jewish diaspora, there would have been no way for the Alexandrian leaders to control the text. Any comparison with the Hebrew original would have immediately revealed the alteration. The deflation theory, by contrast, requires only a single editorial authority — the rabbinic establishment of the second century AD — to change the Hebrew text and then enforce the new reading by confiscating older manuscripts, as we know Rabbi Akiba and his school did (see Chapter 12).²²

Some scholars also appeal to the text-critical principle of lectio brevior — the idea that the shorter reading is more likely to be original, since scribes tend to add material rather than subtract it. But this principle applies to accidental scribal additions — words or phrases inadvertently duplicated during copying. It was never intended to apply to systematic numerical alteration. Nobody accidentally subtracts exactly 100 years from the begetting ages of twelve patriarchs while adding exactly 100 years to their remaining years. Lectio brevior is simply the wrong tool for analyzing this kind of change.²³

Finally, there is Augustine's "rogue scribe" theory — the idea that a single scribe early in the LXX's transmission history changed the numbers, and all subsequent copies perpetuated his error. Smith demolishes this theory by pointing out that Augustine himself contradicted it by using the LXX's numbers in his own chronological calculations. The rogue scribe theory also cannot explain why Josephus, LAB, and other first-century sources independently confirm the LXX's numbers. Were they all relying on a single corrupted manuscript? The scenario is, as Smith puts it, "utterly implausible."²⁴

Why the Rabbis Compressed the Chronology

If the MT's shorter chronology is the result of deliberate alteration, we need to ask: What motivated the rabbis to change the numbers? The answer takes us back to a tradition that was deeply important in Second Temple Judaism — the tradition of the "six millennial days."²⁵

Many Jews in the Second Temple period believed that the history of the world would follow the pattern of the creation week: six "days" of one thousand years each, followed by a seventh "day" — the Messianic age, the great Sabbath rest. This belief was based on Psalm 90:4 ("A thousand years in your sight are like a day that has just gone by") and similar texts. The total duration of human history before the Messianic age would be 6,000 years.²⁶

Now think about what this means for the LXX chronology. According to the LXX, the world was created around 5,500 BC. By the time of Jesus's ministry (around 30 AD), approximately 5,530 years had passed since creation. That puts Jesus squarely in the second half of the fifth millennium — right on schedule for the Messiah to appear before the sixth millennium began. The LXX chronology made the timing of Jesus's coming look exactly right. He arrived in the "fullness of time" (Galatians 4:4), just as the fifth millennium was drawing to a close and the Messianic expectations associated with the approach of the sixth day were intensifying.²⁷

The rabbis needed to break this connection. If they could compress the chronology so that the birth of Jesus fell before the 4,000-year mark rather than near the 5,500-year mark, they could argue that the Messiah had not yet come — that the world was still too young for the Messianic age. By reducing the chronology by approximately 1,386 years (in Genesis 5 and 11 combined), they moved the date of creation from roughly 5,500 BC to roughly 4,000 BC, placing Jesus's birth at approximately the year 4,000 AM (from creation). This was too early for the Messiah according to some rabbinic calculations, which expected the Messiah to come closer to the beginning of the fifth or sixth millennium.²⁸

The Seder Olam: The Vehicle of Chronological Corruption

The compression of the Genesis chronologies was not an isolated act. It was part of a larger program of chronological manipulation that found its fullest expression in the Seder Olam Rabbah (the "Great Order of the World"), attributed to Rabbi Yose ben Halafta, a student of Rabbi Akiba, and composed around 160 AD.²⁹

The Seder Olam is a chronological work that covers the entire span of biblical history from creation to Alexander the Great's conquest of Persia. On the surface, it appears to be a straightforward chronological summary. But when we compare it with the known historical record, a disturbing pattern emerges: the Seder Olam systematically compresses the timeline. And the most egregious compression occurs in the Persian period.

According to the Seder Olam, the Persians ruled for only 52 years. But accepted history tells us that the Persian Empire lasted approximately 207 years (from the fall of Babylon in 539 BC to Alexander's conquest in 332 BC). The Seder Olam achieved this compression by simply eliminating eight of the thirteen Persian kings from the historical record — glossing over rulers like Xerxes, several Artaxerxes, and Darius III as if they never existed.³⁰

The late J. R. Church documented the full list of Persian kings in meticulous detail, showing exactly which rulers were dropped from the Seder Olam's record. The complete list includes: (1) Darius the Mede (538–537 BC); (2) Cyrus (537–529 BC); (3) Artaxerxes/Cambyses (529–522 BC); (4) Darius the Great/Ahasuerus (521–485 BC); (5) Xerxes, son of Vashti (485–465 BC); (6) Artaxerxes (465–425 BC); (7) Xerxes II (425 BC, one year only); (8) Secundianus (424–423 BC); (9) Ochus/Darius (423–404 BC); (10) Arsicas/Artaxerxes (404–361 BC); (11) Ochus son of Arsicas (361–338 BC); (12) Arses (338–336 BC); (13) Darius III (336–331 BC, defeated by Alexander the Great). The palace intrigue, poisonings, and assassinations among these kings are well documented by Greek and Persian historians. And yet the Seder Olam reduced this entire sequence to a handful of rulers covering just 52 years.⁴⁸

The implications are staggering. Greek and Persian historians provide independent confirmation of the complete king list. The Seder Olam's omissions are not the result of ignorance — the rabbis had access to the same historical sources as everyone else. They had centuries to correct any "mistake." But they never did. The compression was deliberate, and its purpose was transparent: to redirect the terminus of Daniel's Messianic prophecy away from Jesus of Nazareth.

Why would the rabbis remove 155 to 165 years from the Persian period? The answer lies in Daniel's prophecy of the "seventy weeks" (Daniel 9:24–27). Daniel prophesied that from the decree to rebuild Jerusalem to the coming of the "Anointed One" (the Messiah) would be 69 "weeks" of years — that is, 483 years. If we begin the countdown from the decree to rebuild Jerusalem (issued during the Persian period) and count forward 483 years using the correct chronology, we arrive at approximately 30 AD — the time of Jesus's ministry and crucifixion.³¹

But if we use the Seder Olam's compressed Persian period — removing those 165 years — the same 483-year countdown ends not at 30 AD but somewhere in the early second century AD. This is the time of Simon Bar Kokhba, the Jewish revolutionary whom Rabbi Akiba publicly declared to be the Messiah (see Chapter 12). By compressing the Persian period, the Seder Olam shifted Daniel's prophecy away from Jesus and toward Bar Kokhba.³²

Rabbi Simon Schwab, an Orthodox Jewish scholar, acknowledged that the Seder Olam's compression of the Persian period was deliberate. In his book Comparative Jewish Chronology, Schwab admitted that the sages had "covered up a certain historic period and purposely eliminated and suppressed all records and other material pertaining thereto." He speculated that "nothing short of a Divine command" could have prompted these "men of truth" to carry out such a drastic revision.³³

The critical point is this: if the rabbis were willing to remove 165 years from the Persian period to manipulate Daniel's prophecy, they were equally willing to remove 1,386 years from the Genesis chronologies for the same purpose — to undermine the Christian claim that Jesus came at the right time. As Woodward puts it: "If they were willing to change the Bible and history in one area, they were equally willing to change it in another."³⁴

Archaeological Implications: Which Chronology Fits the Evidence?

One of the most practical consequences of the chronological debate is how each timeline aligns — or fails to align — with the archaeological record. And here the LXX chronology has a decisive advantage over the MT.

In the MT's compressed timeline, the Flood of Noah occurred around 2348 BC (using Ussher's calculations). That means the entire development of human civilization after the Flood — the repopulation of the earth, the Tower of Babel, the scattering of the nations, the development of separate languages, the rise of the great civilizations of Egypt, Mesopotamia, and the Indus Valley — all had to happen within a few centuries after 2348 BC. But the archaeological evidence tells a very different story. The great pyramid of Giza is conventionally dated to around 2560 BC — more than 200 years before the Flood in the MT's chronology. Egyptian civilization shows continuous cultural development stretching back to at least 3100 BC. Sumerian cities like Ur and Eridu show occupation layers dating to the fourth millennium BC or earlier.⁴³

This creates an enormous problem for defenders of the MT chronology. If the Flood occurred in 2348 BC, then all of Egyptian and Sumerian civilization must have developed after that date — which means the pyramids, the early dynasties, and the earliest Sumerian city-states must all be misdated by modern archaeology. Some young-earth creationists attempt to solve this problem by arguing that conventional archaeological dating is wrong. Others appeal to "gaps" in the Genesis genealogies (which we will address below) to push the Flood further back. But both strategies involve increasingly strained harmonizations that many thoughtful Christians find unconvincing.

The LXX chronology largely resolves this tension. In the LXX timeline, the Flood occurred closer to 3200–3300 BC (the exact date depends on the calculation method). This places the Flood well before the earliest firmly dated Egyptian and Mesopotamian remains, giving ample time for the development of civilization described in Genesis 10 — the Table of Nations — and confirmed by the archaeological record. The LXX's timeline allows roughly 1,100 years from the Flood to Abraham's birth (compared to about 290 years in the MT), providing sufficient time for the Tower of Babel, the dispersal of the nations, and the independent rise of distinct civilizations across the ancient Near East.⁴⁴

I want to be clear about something. I am not arguing that the LXX chronology perfectly resolves every tension between the Bible and archaeology. There are still significant challenges, and honest scholars acknowledge them. But the LXX chronology does a far better job of fitting the evidence than the MT's impossibly compressed timeline. And here is the important point for our argument: we do not need to resort to hypothetical "gaps" or to wholesale rejection of modern dating methods. We simply need to recognize that the original chronology — the one preserved in the LXX — was always long enough to accommodate the evidence. It was the rabbinical compression of the timeline that created the problem.

Woodward develops this argument at length in Rebooting the Bible, Part 2, where he demonstrates that the LXX chronology, when combined with recent revisions to Egyptian chronology proposed by scholars like David Rohl and Peter James, produces a remarkable alignment between the biblical narrative and the archaeological record. The patriarchal narratives, the sojourn in Egypt, the Exodus, and the conquest of Canaan all find plausible correlations with archaeological data when the LXX's longer timeline is used as the framework.⁴⁵

The "Gaps" Debate: Could the MT Chronology Be Stretched?

Before we close this chapter, we need to address one more important issue. Some evangelical scholars have tried to reconcile the MT's shorter chronology with the archaeological record by arguing that the Genesis genealogies contain "gaps" — that the patriarchs listed are not an exhaustive sequence but a representative selection, with unnamed generations omitted between them. If this is true, then the actual time span from Adam to Noah could be much longer than the numbers suggest, even in the MT.

This view was popularized by Princeton theologian William Henry Green in an influential 1890 essay in Bibliotheca Sacra. Green argued that the Hebrew word yalad ("begat") could refer to a distant descendant rather than a direct son, and that the begetting ages therefore do not establish a continuous chronology. Green's view was adopted by B. B. Warfield and subsequently became the standard evangelical position — largely because it relieved the tension between the MT's short timeline and the emerging evidence for much older civilizations in Egypt and Mesopotamia.³⁵

However, Jeremy Sexton has convincingly dismantled Green's argument. As we noted earlier in this chapter, the Hebrew grammar of Genesis 5 makes it clear that the begetting ages establish a precise chronology. When the text says "Enosh lived 90 years and brought forth Kenan," the hiphil verb form with the direct-object accusative means that Kenan himself was born when Enosh was 90 — not some unnamed ancestor from whom Kenan later descended. Sexton points out that Green confused genealogical gaps with chronological gaps. Even if some generations were skipped in the genealogy (which is debatable), the chronology remains intact because the begetting ages tie each named descendant to a specific year in the patriarch's life.³⁶

Let me explain this more carefully, because it is the crux of the matter. Green acknowledged that in other biblical genealogies, the word yalad can refer to a distant descendant rather than a direct son. For example, in 2 Kings 20:18, Isaiah prophesies to Hezekiah that "sons" (banim) born from him will be taken into exile — but the people eventually taken into exile were Hezekiah's great-great-grandsons. Green took this as evidence that the genealogies of Genesis 5 and 11 might similarly skip generations.

But Sexton demonstrates that Green's logic breaks down at a critical point. In Genesis 5, each patriarch is given a specific age at which the begetting occurs. The untranslatable Hebrew particle et (אֵת) marks the named descendant as the direct-object accusative of the verb yalad. In Hebrew grammar, the direct-object accusative "is the recipient of a transitive verb's action." This means Kenan, not some unnamed ancestor, was the one who "participated in the event of birth" when Enosh was 90. The grammatical structure locks the chronology into place. Whether we are talking about a son, a grandson, or a great-grandson, the timing is fixed: Enosh was 90 when Kenan came into being. The age is absolute.⁴⁹

Sexton further demonstrates that the five instances Green cited where yalad describes the birth of a grandchild or later descendant (Deuteronomy 4:25; 28:41; 2 Kings 20:18; Isaiah 39:7; Isaiah 45:10) all refer to the future — prophetic statements about descendants yet to be born. They do not involve specific ages attached to specific named individuals. The Genesis 5 and 11 chronogenealogies are structurally different: they combine a named individual, a specific age, and the hiphil direct-object accusative construction in a way that creates an unbreakable chronological chain.⁵⁰

As Smith Bartlett Goodenow wrote in response to Green's essay (a response that, remarkably, was never published despite the editor's promise to print it): "The 'begat' indicates the birth of the person named after it; and the date of that birth being given, it matters not how many unnamed generations intervene. The chronology is fixed and unchanged."³⁷

Sexton and Henry B. Smith Jr. summarize the matter powerfully in their joint article: "The ancient Jews, who prized their chronologies and genealogies, never would have forgiven a deliberate textual alteration of this magnitude in the foundational chronogenealogies of Genesis 5 and 11. And yet for four hundred years this corruption supposedly was not just overlooked, but adopted by all the Jewish historians of that time... Such a scenario is utterly implausible." They go on to note that before the second century AD, no Jewish scholar used the MT's dates — they used only the LXX's longer chronology. The shorter dates appeared only after the rabbinic revisions of the second century.³⁸

The Methuselah and Lamech Problems

Before we close, we should briefly address two minor textual problems that opponents of the LXX chronology sometimes raise.

First, some LXX manuscripts give Methuselah's begetting age (the age at which he fathered Lamech) as 167 rather than the correct 187. If Methuselah were born when Enoch was 167, and if we follow the other LXX dates, Methuselah would have lived 14 years after the Flood — an obvious impossibility, since Genesis tells us that all flesh outside the Ark perished. However, multiple ancient witnesses — including Josephus, the Liber Antiquitatum Biblicarum, Demetrius the chronographer, Julius Africanus, and other LXX manuscript traditions — confirm that the correct begetting age is 187, not 167. The 167 reading in some LXX manuscripts is an early scribal error that entered certain manuscript lines but was not original to the LXX translation.³⁹

Second, the LXX gives Lamech's begetting age (when Noah was born) as 188 in some manuscripts, while the MT has 182. The difference is minor — only 6 years — and most scholars believe 182 is likely the original number in this case, with 188 representing a small scribal alteration. This is one instance where the MT may preserve the better reading for this particular number. But one minor transmission error does not invalidate the systematic pattern of 100-year reductions that we have documented across the other patriarchs.⁴⁰

Opponents of the LXX chronology sometimes seize on these two minor problems as reasons to reject the LXX's numbers altogether. But this is a classic case of straining at a gnat while swallowing a camel. Two small scribal errors in individual manuscripts — errors that can be identified and corrected by comparing multiple witnesses — do not undermine the overwhelming pattern of systematic deflation in the MT. The forest should not be missed for two small trees.

Connecting the Dots: Chronology and the Book's Broader Argument

As we close this chapter, I want to step back and connect the chronological evidence to the larger argument of this book. In Chapter 12, we examined the historical context that motivated the second-century rabbis to revise their Scriptures — the rise of Christianity, the Bar Kokhba revolt, and Akiba's determination to discredit Jesus as the Messiah. In Chapters 14 and 15, we documented the systematic alteration of Messianic prophecies in the MT. Now, in this chapter, we have seen that the same rabbis also altered the chronology — compressing the timeline to manipulate Messianic expectations.

The connection between the two programs of revision — the textual and the chronological — is not coincidental. They serve the same purpose. The Messianic prophecies were altered to hide Jesus as the fulfillment of Old Testament predictions. The chronology was altered to shift the expected timing of the Messiah's arrival, so that Jesus would appear to have come too early. Both changes work together as part of a comprehensive strategy to undermine the Christian claim that Jesus is the promised Messiah who came "in the fullness of time."

The Church Fathers recognized this. Justin Martyr accused the rabbis of deliberately altering their Scriptures to combat Christianity (see Chapter 12 for the full argument from Justin's Dialogue with Trypho). Augustine wrote that "the Jews, envying us for our translation of their Law and Prophets, have made alterations in their texts to undermine the authority of ours."⁴¹ Sexton and Smith make the same point using modern textual criticism: "Numerous church fathers testify to the lengths to which orthodox Judaism went to discredit Jesus' Messianic office, a phenomenon also recorded throughout the book of Acts."⁴²

In the next chapter, we will turn to Genesis 11 and see the same pattern repeated — with even more dramatic consequences. The postdiluvian chronology will show us not only the same 100-year reductions but also the mysterious case of the missing patriarch Cainan, whose absence from the MT is contradicted by no less an authority than Luke's Gospel. Together, Genesis 5 and Genesis 11 present an overwhelming case that the Masoretic Text's chronology has been deliberately corrupted — and that the Septuagint preserves the original, inspired timeline of the ancient world.

A Note on the Jewish Calendar

Before we close, it is worth pausing to consider the practical implications of the chronological corruption we have documented. The Jewish calendar that is in use today — the one that currently places us in the year 5786 AM (from creation) — is based on the Seder Olam Rabbah. It incorporates both the compressed Genesis chronologies and the deleted Persian kings. As Woodward points out, if the original LXX chronology is restored and the missing Persian years are added back, the actual date from creation should be somewhere in the 7,000s — not the 5,700s. The Jewish calendar is off by roughly 1,550 to 1,650 years.⁵¹

This is not a trivial observation. The Jewish calendar is woven into the fabric of Jewish religious life — it determines the dates of festivals, the calculation of sabbatical and jubilee years, and the reckoning of historical events. Every time a Jewish person writes the date in the Hebrew calendar, they are unknowingly using a timeline that was manufactured in the second century AD for the purpose of discrediting Jesus as the Messiah. The irony is profound. The very calendar that structures Jewish religious observance is built on a chronological falsification designed to serve a polemical agenda — an agenda that most modern Jews know nothing about.

I say this not to be inflammatory or disrespectful to our Jewish friends. I say it because truth matters. And the truth is that the chronology of the Hebrew Bible — the chronology that was used by every Jewish historian before the second century AD — tells a very different story about the timing of the world's history than the one reflected in the modern Jewish calendar. Recovering that original chronology is not an attack on Judaism. It is an act of restoration — a recovery of the authentic biblical timeline that was deliberately suppressed.

Conclusion: Numbers Do Not Lie

Let me summarize what we have learned in this chapter. The Genesis 5 chronology differs dramatically between the LXX and the MT, with the LXX's begetting ages consistently 100 years higher for six of the ten antediluvian patriarchs. The total lifespans remain identical — proving that the alteration was deliberate and carefully calculated. The LXX's longer chronology is confirmed by Josephus, by the Liber Antiquitatum Biblicarum, and by every Church Father who calculated a date for creation. No pre-second-century Jewish source uses the MT's shorter numbers. The Seder Olam — the rabbinic chronological work that serves as the basis for the modern Jewish calendar — was part of the same program of chronological compression, eliminating 165 years from the Persian period to redirect Daniel's Messianic prophecy away from Jesus and toward Bar Kokhba. And the Nahor "smoking gun" (discussed briefly here and treated in full in Chapter 17) demonstrates conclusively that the direction of change was deflation — from the LXX's higher numbers to the MT's lower ones — rather than inflation.

The alteration of the Genesis 5 chronology was not an isolated act. It was part of a comprehensive program of textual revision carried out by the second-century rabbis under the influence of Rabbi Akiba and his school. They altered the Messianic prophecies. They commissioned replacement translations of the Greek Old Testament. They compressed the chronology. And they did it all for the same reason: to undermine the Christian claim that Jesus of Nazareth is the promised Messiah who came in the fullness of time.

But numbers, as they say, do not lie. And the numbers preserved in the Septuagint tell a story that the rabbinical editors could not fully erase — a story of a world created by God roughly 5,500 years before the birth of His Son, a timeline that placed the coming of the Messiah exactly where the prophets said it would be, and a chronology that the earliest and most reliable witnesses unanimously confirm. The corruption of the Masoretic Text's chronology is real. But so is the preservation of the truth in the Septuagint. And it is to that truth that we now turn, as we move in Chapter 17 to the postdiluvian patriarchs and the even more dramatic evidence of chronological manipulation in Genesis 11.