Exodus 6:16-20

16These were the names of the sons of Levi according to their records: Gershon, Kohath and Merari. Levi lived 137 years.

17The sons of Gershon, by clans, were Libni and Shimei.

18The sons of Kohath were Amram, Izhar, Hebron and Uzziel. Kohath lived 133 years.

19The sons of Merari were Mahli and Mushi. These were the clans of Levi according to their records.

20Amram married his father’s sister Jochebed, who bore him Aaron and Moses. Amram lived 137 years.