Exodus 18:21

21Moreover, look for aable men from all the people, men who fear God, who are trustworthy and hate a bribe, and place such men over the people as chiefs of thousands, of hundreds, of fifties, and of tens.

Numbers 1:4-16

4And there shall be with you a man from each tribe, each man being the head of the house of his fathers. 5And these are the names of the men who shall assist you. From Reuben, bElizur the son of Shedeur; 6from Simeon, cShelumiel the son of Zurishaddai; 7from Judah, dNahshon the son of Amminadab; 8from Issachar, eNethanel the son of Zuar; 9from Zebulun, fEliab the son of Helon; 10from the sons of Joseph, from Ephraim, gElishama the son of Ammihud, and from Manasseh, hGamaliel the son of Pedahzur; 11from Benjamin, iAbidan the son of Gideoni; 12from Dan, jAhiezer the son of Ammishaddai; 13from Asher, kPagiel the son of Ochran; 14from Gad, Eliasaph the son of lDeuel; 15from Naphtali, mAhira the son of Enan.” 16These were the ones nchosen from the congregation, othe chiefs of their ancestral tribes, the heads of the clans of Israel.

Numbers 7:2

2 pthe chiefs of Israel, heads of their fathershouses, who were the chiefs of the tribes, who were over those who were listed, approached

Deuteronomy 1:15

15So I took the heads of your tribes, wise and experienced men, qand set them as heads over you, commanders of thousands, commanders of hundreds, commanders of fifties, commanders of tens, and officers, throughout your tribes.
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