Numbers 4:27-29

New Catholic Bible

²⁷ All the service of the Gershonites, what they are to carry and what they are to do, will be under the direction of Aaron and his sons. You are to assign them responsibility for what they are to carry. ²⁸ These things in the tent of meeting are the responsibility of the families of the Gershonites. Their service will be under the direction of Ithamar, the son of Aaron the priest.

²⁹ “Count the number of the Merarites by their clans and their families.