Numbers 4:27-29

English Standard Version

²⁷ All the service of the sons of the Gershonites shall be at the command of Aaron and his sons, in all that they are to carry and in all that they have to do. And you shall assign to their charge all that they are to carry. ²⁸ This is the service of the clans of the sons of the Gershonites in the tent of meeting, and their guard duty is to be ^(A)under the direction of Ithamar the son of Aaron the priest.

²⁹ “As for the sons of Merari, you shall list them by their clans and their fathers' houses.