Numbers 3:23-29

23The Gershonites were to camp behind the Tabernacle on the west.

24The prince of the ancestral house of the Gershonites was Eliasaph son of Lael.

25The duties of the sons of Gershon in the Tent of Meeting were the Tabernacle, the tent, its coverings, the curtain of the entrance of the Tent of Meeting,

26the curtains of the courtyard, the screen of the entrance of the courtyard around the Tabernacle and altar, its ropes and all related to its use.

27To Kohath belonged the family of the Amramites, the family of the Izharites, the Hebronites and the Uzzielites. These were the Kohathite families.

28The number of every male one month old and upward was 8,600. Their duties were caring for the Sanctuary.

29The Kohathite families were to camp along the side of the Tabernacle on the south.