Jamieson, Fausset and Brown on Genesis 10:1

CHAPTER 10

Ge 10:1-32. Genealogies.

1. sons of Noah--The historian has not arranged this catalogue according to seniority of birth; for the account begins with the descendants of Japheth, and the line of Ham is given before that of Shem though he is expressly said to be the youngest or younger son of Noah; and Shem was the elder brother of Japheth (Ge 10:21), the true rendering of that passage.

generations, &c.--the narrative of the settlement of nations existing in the time of Moses, perhaps only the principal ones; for though the list comprises the sons of Shem, Ham, and Japheth, all their descendants are not enumerated. Those descendants, with one or two exceptions, are described by names indicative of tribes and nations and ending in the Hebrew im, or the English "-ite."