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Building the Internal Chronology of the Bible

Filling the Gap:
The Four Generations in Genesis

by D.M. Doede

The conclusion that the 430 years refers to the time between Abram entering Canaan and the Exodus, and that the 400 years counts from the birth of Isaac to the Exodus, still leaves the Chronology at 307 years. Extending the chart to 430 years leaves a 123 year gap between the year Levi died and the Exodus. The next step is filling the gap, starting with plugging Moses' and Aaron's life dates into the Chronology.

Now Moses was eighty years old, and Aaron eighty-three years old, when they spoke to Pharaoh. (Exodus 7.7)

Chart 1: Life Years during Years in Egypt
ICBLife YrsEventRef
T170 CanT085 JacLevi bornGen 29.34
T175 CanT090 JacJoseph bornGen 30.22-24
T180 CanT095 JacJacob returns to CanaanGen 31:38
T192 CanT107 JacJoseph sold into slavery by his brothersGen 37.25
T205 CanT120 JacIsaac dies at 180yo; Joseph at 30yo stands before PharoahGen 35.28
T215 CanT130 JacJacob meets PharoahGen 47.9
T232 CanT147 JacJacob dies at 147yo; Josephh at 57yo; Lewi at 62 yoGen 47.28
T285 CanT115 LeviJoseph dies at 110yoGen 50.22
T307 CanT137 LeviLewi dies at 137 yoExo 6.16
T347 CanT00 AaronAaron bornCalculation
T350 CanT00 MosesMosesh bornCalculation
T430 CanT80 MosesThe Exodus; Moses at 80yo; Aaron at 83yoExo 7.7

If Moses was 80 years old in T430 Can, then he was born in T350 Can. Likewise, if Aaron was 83 years old in T430 Can, then he was born in T347 Can. Plugging in the birth dates for Aaron and Moses reduces the 123 year gap in the Chronology to 40 years. Since the Chronology has gaps of more than 40 years elsewhere in its timeline, plugging in the birth dates sufficiently fills in the Chronology. However, Scripture has more information on the timing of events that took place during the 215 years that the children of Israel spent in Egypt. THE FOUR GENERATIONS The genealogy list of Moses and Aaron in Exodus 6 gave life length years for the three generations preceding Moses and Aaron: Levi lived for 137 years (Ex 6.16), Kohath lived for 133 years (Ex 6.18), and Amram lived for 137 years (Exo 6.20)). So that made Moses and Aaron the fourth generation. YHWH said the following to Abram at the Friendship Covenant:

Then a fourth generation will return themselves ~ for the Amorites [are] not yet full of inquity. # (Gen 15.16)

Thus, it would seem that the four generations to which YHWH was referring would be Levi, Kohath, Amram, and Aaron/Moses. One interpretation of Scripture providing life lengths for this line of Jacob's sons only is that the provision of this information is confirmation that this is the line to which YHWH was referring. The next question was how to fit them into the Chronology. Unfortunately, Scripture does not indicate when Kohath and Amram were born in relation to Levi or anyone else for that matter. However, after playing around with different generation lengths for the four generations, it turned out that a 60-year generation worked best in plausibly spreading the four generations over the 215 years. Levi (Generation 01) was 60 years old when Kohath was born, Kohath (Gen 02) was 60 years old when Amram was born, and Amram (Gen 03) was 60 years old when Moses (Gen 04) was born.

Chart 2: The Four Generations
ICBLife YrEventGeneration #Ref
T170 CanT085 JacLevi born of Leah (16 Nisan)G29.34
T215 CanT130 JacLevi (45) moved to Egypt with his father Jacob1st generationEx 1.2
T230 CanT145 JacKohath born to Levi (60)2nd generationEstimate
T232 CanT147 JacJacob (147) diesGen 47.28
T285 CanT115 LeviJoseph (110) diesGen 50.22
T290 CanT120 LeviAmram born to Kohath (60)3rd generationEstimate
T307 CanT137 LeviLevi (137) dies at 137yoExo 6.16
T347 CanT057 AmrAaron born to Amram (57)Estimate
T350 CanT060 AmrMoses born to Amram (60)4th generationEstimate
T430 CanT080 MosThe Exodus; Moses (80), Aaron (83)Exo 7.7

Thus, the Chronology now has a probable date for Amram's birth. The next question that came up was how Jochebed, the mother of Moses and Aaron, and their sister Miriam fit into the Chronology. The Masoretic text records Jochebed as the sister of Amram's father, and thus his aunt. But once again, YHWH forbade incest in the Mosaic Law. Since He does not change, incest would have been just as unacceptable to Him before He gave the Law as when He gave the Law. So, there must be something else going on here. So, on to the next essay. Filling the Gap: Jochebed and Amram Return to blog post Return to ICB Menu


Site Creator:Dori       This page last modified: January 4, 2021       Send correspondence to: dori@badgerholt[dot]com. Legal Stuff:   Copyright 2021 by D.M. Doede. All Rights Reserved.   Permission to distribute this material via e-mail, or individual copies for personal use, is granted on the condition that it will be used for non-commercial purposes, will not be sold, and no changes made to the format or content.     When quoting, please keep the context and provide the source   URL: https://www.badgerholt.com.       Scriptures are cited from New American Standard Bible (NASB), English Standard Version (ESV) Young's Literal Translation (YLT), Geneva Bible, 1599 ed., Jay Green's KJ3' Literal Translation, Gary Zella's Analytical Literal Translation of the New Testament, or my own translation ( dmd).

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