Numbers 7:4

1 And it came to pass on the day that Moses had fully set up the tabernacle, and had anointed it, and sanctified it, and all its instruments, both the altar and all its vessels, and had anointed them, and sanctified them;

2 That the princes of Israel, heads of the house of their fathers, who [were] the princes of the tribes, and were over them that were numbered, offered:

3 And they brought their offering before the LORD, six covered wagons, and twelve oxen; a wagon for two of the princes, and for each one an ox: and they brought them before the tabernacle.

4 And the LORD spoke to Moses, saying,

5 Take [it] of them, that they may be to perform the service of the tabernacle of the congregation; and thou shalt give them to the Levites, to every man according to his service.

6 And Moses took the wagons and the oxen, and gave them to the Levites.

7 Two wagons and four oxen he gave to the sons of Gershon, according to their service: