1 Chronicles 6:1-2, 16-19

The sons of Levi: Gershon, Kohath, and Merari. The sons of Kohath: Amram, Izhar, Hebron, and Uzziel.

The sons of Levi: Gershom, Kohath, and Merari. And these are the names of the sons of Gershom: Libni and Shimei. The sons of Kohath: Amram, Izhar, Hebron and Uzziel. The sons of Merari: Mahli and Mushi. These are the clans of the Levites according to their fathers.