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.
Jewish Publication Society of America Version (JPS1917) - Numbers 4:28 >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.