Genesis 11:10

10 These are the descendants of Shem. Two years after the flood, when Shem was 100 years old, he had a son, Arpachshad.

Genesis 11:10 Meaning and Commentary

Genesis 11:10

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 that he was younger than Japheth; (See Gill on Genesis 10:21) of Arphaxad his son, (See Gill on Genesis 10:22).

Genesis 11:10 In-Context

8 So the Lord scattered them all over the earth, and they stopped building the city.

9 The city was called Babylon, because there the Lord mixed up the language of all the people, and from there he scattered them all over the earth.

10 These are the descendants of Shem. Two years after the flood, when Shem was 100 years old, he had a son, Arpachshad.

11 After that, he lived another 500 years and had other children.

12 When Arpachshad was 35 years old, he had a son, Shelah;