17These were the sons of Levi by name: Gershon, Kohath, and Merari.
18These were the names of the sons of Gershon by their clans: Libni and Shimei.
19The sons of Kohath by their clans were Amram, Izhar, Hebron, and Uzziel.
20And the sons of Merari by their clans were Mahli and Mushi. These were the clans of the Levites, according to their families.
21From Gershon came the Libnite clan and the Shimeite clan; these were the Gershonite clans.
— Numbers 3:17-21