Numbers 7:2-3

LXX2012(i) 2 And the princes of Israel brought [gifts], twelve princes of their fathers' houses: these were the heads of tribes, these are they that presided over the numbering. 3 And they brought their gift before the Lord, six covered waggons, and twelve oxen; a waggon from two princes, and a calf from each: and they brought them before the tabernacle.