17 And these were the sons of Levi by their names: Gershon and Kohath and Merari.
18 And these are the names of the sons of Gershon by their clans: Libni and Shimei.
19 And the sons of Kohath by their clans: Amram, Izhar, Hebron, and Uzziel.
20 And the sons of Merari by their clans: Mahli and Mushi. These are the clans of the Levites, by their fathers’ houses.
21 To Gershon belonged the clan of the Libnites and the clan of the Shimeites; these were the clans of the Gershonites.
22 Their listing according to the number of all the males from a month old and upward was 7,500.
23 The clans of the Gershonites were to camp behind the tabernacle on the west,