7 two wagons and four oxen he gives to the sons of Gershon, according to the mouth of their service:
Numbers 7:7 Cross References - ECB
Numbers 3:25-26
25
SERVICE OF THE SONS OF GERSHON
And the guard of the sons of Gershon in the tent of the congregation: the tabernacle and the tent, the covering thereof; and the covering for the opening of the tent of the congregation; 26 and the hangings of the court; and the covering for the opening of the court by the tabernacle and by the sacrifice altar all around; and the cords thereof for all the service thereof.
SERVICE OF THE SONS OF GERSHON
And the guard of the sons of Gershon in the tent of the congregation: the tabernacle and the tent, the covering thereof; and the covering for the opening of the tent of the congregation; 26 and the hangings of the court; and the covering for the opening of the court by the tabernacle and by the sacrifice altar all around; and the cords thereof for all the service thereof.
Numbers 4:24-28
24 This is the service of the families of the Gershoniy, to serve and for burdens:
25 and they bear the curtains of the tabernacle and the tent of the congregation, its covering and the covering of the skins of badgers above thereon, and the covering for the opening of the tent of the congregation,
26 and the hangings of the court, and the covering for the opening of the portal of the court by the tabernacle, and by the sacrifice altar all around, and their cords and all the instruments of their service, and all that is worked for them: thus they serve.
27 At the mouth of Aharon and his sons is all the service of the sons of the Gershoniy, in all their burdens and in all their service: and muster to them guard of all their burdens.
28 This is the service of the families of the sons of Gershon in the tent of the congregation: and their guard is under the hand of Iy Thamar the son of Aharon the priest.