This is the account of Shem. Two years after the flood, when Shem was 100 years old, he became the father of Arphaxad.
10. These are the generations of Shem . Concerning the progeny of Shem, Moses had said something in the former chapter Genesis 10:1: but now he combines with the names of the men, the term of their several lives, that we might not be ignorant of the age of the world.
We have here a genealogy, not an endless genealogy, for here it ends in Abram, the friend of God, and leads further to Christ, the promised seed, who was the son of Abram, and from Abram the genealogy of Christ is reckoned (Mat 1:1, etc.); so that put ch. 5, ch. 11, and Mt.
Commenting on Genesis 11:10-26
These are the generations of Shem,.... Or a genealogy of the posterity of Shem; not of all of them, only of those of the line which led to Abraham, by which might appear the true line in which the Messiah from Adam through Abraham sprung: Shem was one hundred years old, and begat Arphexad two years after the flood; by which it is pretty plain...