Numbers 10:4
And, if, only once, they blow, then shall the princes, the heads of the thousands of Israel, gather themselves unto thee.
Exodus 18:21
Thou thyself, therefore shalt look out, from among all the people - men of ability, reverers of God, men of fidelity, haters of extortion, - and place them over them as rulers of thousands, rulers of hundreds, rulers of fifties, and rulers of tens.
Numbers 7:2
that the princes of Israel, the heads of their ancestral houses, made an offering, - they being princes of the tribes, they being the inert who stood over them who were numbered:
Numbers 1:4-16
and with you, shall be one man for each tribe, - each man, head of his ancestral house, shall be.
Deuteronomy 1:15
So I took heads for your tribes wise men and known, and placed them as heads over you, captains of thousands, and captains of hundreds, and captains of fifties and captains of tens, and overseers for your tribes.