Numbers 11:16
Elders Appointed to Aid Moses
16 Then the Lord said to Moses, “Gather for me oseventy men of the elders of Israel, whom you know to be the elders of the people and pofficers over them, and bring them to the tent of meeting, and let them take their stand there with you.
Exodus 18:21
21 Moreover, look for hable 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.
Exodus 18:25
25 mMoses chose able men out of all Israel and made them heads over the people, chiefs of thousands, of hundreds, of fifties, and of tens.