... As rabbinic and many later interpreters have noted, the chronology in the Masoretic text for Genesis 11:10-26 has all of the postdiluvian patriarchs living into the time of Abraham; three of them (Shem, Shelah, and Eber) living after the time of Abraham's death, and Shem even remaining alive into the time of Jacob. In contrast, the Samaritan Pentateuch and Septuagint both reflect an apparent altered chronology that solves this problem through adding one hundred years to the age of most postdiluvian patriarchs at the age that they begin fathering (fifty years for Nahor) and then reducing their remaining years of life by a corresponding amount. The precisely common agreement between the Septuagint and Samaritan Pentateuch at this point suggests a common Vorlage behind their chronology for Genesis 11:10-26, a Vorlage that also likely included a slight adaptation (seen in the Septuagint and the Samaritan Pentateuch) of each section on postflood patriarchs in Genesis 11:10-26 with a report that "he died" so that these sections better matched the sections on preflood patriarchs in Genesis 5*. ...