Exodus 6:16-19

6:16 Now these are the names of the sons of Levi, according to their records: Gershon, Kohath, and Merari. (The length of Levi’s life was 137 years.)

6:17 The sons of Gershon, by their families, were Libni and Shimei.

6:18 The sons of Kohath were Amram, Izhar, Hebron, and Uzziel. (The length of Kohath’s life was 133 years.)

6:19 The sons of Merari were Mahli and Mushi. These were the clans of Levi, according to their records.