Numbers 3:23

3:23 The families of the Gershonites were to camp behind the tabernacle toward the west.

Numbers 3:29

3:29 The families of the Kohathites were to camp on the south side of the tabernacle.

Numbers 3:35

3:35 Now the leader of the clan of the families of Merari was Zuriel son of Abihail. These were to camp on the north side of the tabernacle.

Numbers 3:38

3:38 But those who were to camp in front of the tabernacle on the east, in front of the tent of meeting, were Moses, Aaron, and his sons. They were responsible for the needs of the sanctuary and for the needs of the Israelites, but the unauthorized person who approached was to be put to death.