Numbers 3:18-19

3:18 These are the names of the sons of Gershon by their families: Libni and Shimei. 3:19 The sons of Kohath by their families were: Amram, Izhar, Hebron, and Uzziel.

Numbers 4:29

The Service of the Merarites

4:29 “As for the sons of Merari, you are to number them by their families and by their clans.

Numbers 4:36

4:36 and those of them numbered by their families were 2,750.

Numbers 4:42

4:42 Those numbered from the families of the Merarites, by their families, by their clans,