Numbers 4:32-34  New English Translation

³² and the posts of the surrounding courtyard with their sockets, tent pegs, and ropes, along with all their furnishings and everything for their service. You are to assign by name the items that each man is responsible to carry.^{[a] 33} This is the service of the families of the Merarites, their entire service concerning the tent of meeting, under the authority of Ithamar son of Aaron the priest.”

Summary

³⁴ So Moses and Aaron and the leaders of the community numbered the Kohathites by their families and by clans,