NET
28 This is the service of the families of the Gershonites concerning the tent of meeting. Their responsibilities will be under the authority of Ithamar son of Aaron the priest.
Darby
28 This is the service of the families of the sons of Gershon in the tent of meeting, and their charge shall be under the hand of Ithamar the son of Aaron the priest.
KJV
28 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.