Numbers 3:20

3:20 The sons of Merari by their families were Mahli and Mushi. These are the families of the Levites by their clans.

Numbers 3:33-36

The Numbering of Merari

3:33 From Merari came the family of the Mahlites and the family of the Mushites; these were the families of Merari. 3:34 Those of them who were numbered, counting every male from a month old and upward, were 6,200. 3:35 Now the leader of the clan of the families of Merari was Zuriel son of Abihail. These were to camp on the north side of the tabernacle.

3:36 The appointed responsibilities of the Merarites included the frames of the tabernacle, its crossbars, its posts, its sockets, its utensils, plus all the service connected with these things,