Exodus 6:16-19

16These are the descendants of Levi, as listed in their family records: The sons of Levi were Gershon, Kohath, and Merari. (Levi lived to be 137 years old.)

17The descendants of Gershon included Libni and Shimei, each of whom became the ancestor of a clan.

18The descendants of Kohath included Amram, Izhar, Hebron, and Uzziel. (Kohath lived to be 133 years old.)

19The descendants of Merari included Mahli and Mushi. These are the clans of the Levites, as listed in their family records.