Numbers 4:37, 41, 45

This was the list of the clans of the Kohathites, all who served in the tent of meeting, whom Moses and Aaron listed according to the commandment of the LORD by Moses.

This was the list of the clans of the sons of Gershon, all who served in the tent of meeting, whom Moses and Aaron listed according to the commandment of the LORD.

This was the list of the clans of the sons of Merari, whom Moses and Aaron listed according to the commandment of the LORD by Moses.