The leader of the Gershonite clans was Eliasaph son of Lael.
These two clans were responsible to care for the Tabernacle, including the sacred tent with its layers of coverings, the curtain at its entrance,
the curtains of the courtyard that surrounded the Tabernacle and altar, the curtain at the courtyard entrance, the ropes, and all the equipment related to their use.
The descendants of Kohath were composed of the clans descended from Amram, Izhar, Hebron, and Uzziel.
There were 8,600 males one month old or older among these Kohathite clans. They were responsible for the care of the sanctuary,
and they were assigned the area south of the Tabernacle for their camp.
The leader of the Kohathite clans was Elizaphan son of Uzziel.
These four clans were responsible for the care of the Ark, the table, the lampstand, the altars, the various articles used in the sanctuary, the inner curtain, and all the equipment related to their use.
Eleazar, son of Aaron the priest, was the chief administrator over all the Levites, with special responsibility for the oversight of the sanctuary.
The descendants of Merari were composed of the clans descended from Mahli and Mushi.
There were 6,200 males one month old or older among these Merarite clans.