Numbers 3:23-29

23The families of the Gershonites were to camp behind the 1tabernacle westward, 24and the leader of the fathers’ households of the Gershonites: Eliasaph the son of Lael. 25Now 2the duties of the sons of Gershon in the tent of meeting included the tabernacle and 3the tent, its covering, and 4the curtain for the entrance of the tent of meeting, 26and 5the curtains of the courtyard, 6the curtain for the entrance of the courtyard which is around the tabernacle and the altar, and its ropes, according to all the service 7concerning them.

27Of Kohath was the family of the Amramites, the family of the Izharites, the family of the Hebronites, and the family of the Uzzielites; these were the families of the Kohathites. 28In the counting of every male from a month old and upward, there were 8,600, performing the duties of the sanctuary. 29The families of the sons of Kohath were to camp on the south side of the tabernacle,