Numbers 7:2

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.

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:

the princes of Israel, the heads of their fathers’ houses, gave offerings. These were the princes of the tribes. These are they who were over those who were counted;