Numbers 3:23-25

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,