Numbers 4:2; Numbers 4:15

2 "Take a census of the sons of Kohath from among the sons of Levi, by their clans and their fathers' houses,

15 And when Aaron and his sons have finished covering the sanctuary and all the furnishings of the sanctuary, as the camp sets out, after that the sons of Kohath shall come to carry these, but they must not touch the holy things, lest they die. These are the things of the tent of meeting that the sons of Kohath are to carry.