Generations of Noah in the tradition, being claimed as the ancestors of much of northern Europe. According to Joseph Blenkinsopp, the 70 names in the list express symbolically the unity of humanity, corresponding to the 70 descendants of Israel who go down into Egypt with Jacob at and the 70 elders of Israel who visit God with Moses at the covenant ceremony in . Chapters 1–11 of the Book of Genesis are structured around five "toledot" statements ("these are the generations of..."), of which the "generations of the sons of Noah, Shem, Ham, and Japheth" is the fourth. Events before the Genesis flood
Shem 10:21 refers to relative ages of Shem and his brother Japheth, but with sufficient ambiguity to have yielded different English translations. The verse is translated in the King James Version as: "Unto Shem also, the father of all the children of Eber, the brother of Japheth the elder, even to him were children born." However, the New American Standard Bible gives: "Also to Shem, the father of all the children of Eber, and the older brother of Japheth, children were born". According to Genesis 10:22-31 ("Jewish Publication Society Translation" of 1917): Genesis 11:10 records that Shem was 100 years old