The beginning of his kingdom, i.e. either his chief and royal city, or the place where his dominion began, and from whence it was extended to other parts.
Babel; which being not built till the confusion of languages, Gen_11:4, showeth that this, though here mentioned upon occasion of the genealogy, was not executed till afterward; it being very usual in Scripture to neglect the order of time in historical relations.
Calneh, called Calno, Isa_10:9; and Canneh, Eze_27:23; and as it is here, Cabneh, Amo_6:2; where it is mentioned amongst the eminent cities.
The land of Shinar, i.e. in Mesopotamia. This clause belongs to all the cities here named; and is added for distinction sake, because there is a Babylon in the land of Egypt, and there might be other cities of the same name with the rest in other countries.