Numbers 10:4
When one trumpet is blown, the elders and the heads of the thousands of the Israelis are to gather to you.
Exodus 18:21
You are to look for capable men among the people, men who fear God, men of integrity who hate dishonest gain. You are to set these men over them as officials over thousands, hundreds, fifties, and tens.
Numbers 7:2
Then the presiding leaders of Israel, as heads of the ancestral houses, brought an offering. They were the leaders of the tribes who supervised the census.
Numbers 1:4-16
One man from each tribe is to accompany you, each man being the leader of his ancestral house.
Deuteronomy 1:15
So I chose leaders from your tribes, wise and respected men, and I appointed them over you commanders of thousands, hundreds, fifties, and tens.