This is the service of the Gershonite clans at the Tent of Meeting, and their duties shall be under the direction of Ithamar son of Aaron the priest.
KJV
This [is] the service of the families of the sons of Gershon in the tabernacle of the congregation: and their charge [shall be] under the hand of Ithamar the son of Aaron the priest.
ASV
This is the service of the families of the sons of the Gershonites in the tent of meeting: and their charge shall be under the hand of Ithamar the son of Aaron the priest.