Numbers 7:2
And the leaders of Israel, the heads of their families, presented an offering. These men were the tribal leaders who had supervised the registration.
Berean Standard Bible
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;