This `is' the service of the families of the sons of the Gershonite in the tent of meeting; and their charge `is' under the hand of Ithamar son of Aaron the priest.
from a son of thirty years and upward even unto a son of fifty years thou dost number them, every one who is going in to the host, to do the service of the tent of meeting.
and the four of the waggons and the eight of the oxen he hath given to the sons of Merari, according to their service, by the hand of Ithamar son of Aaron the priest;