seventy

Genesis 46:27
And along with Joseph's two sons who were born to him in Egypt, in all there were seventy members of Jacob's household in Egypt.

Exodus 4:29
Then Moses and Aaron went and assembled all the elders of the Israelites,

Exodus 24:1, 9
Then the LORD said to Moses, "Come up to the LORD--you and Aaron, Nadab and Abihu, and seventy of Israel's elders--and you are to worship at a distance. . . .

Ezekiel 8:11
Before them stood seventy elders of the house of Israel, with Jaazaniah son of Shaphan standing among them. Each had a censer in his hand, and a fragrant cloud of incense was rising.

Luke 10:1, 17
After this, the Lord appointed seventy-two others and sent them two by two ahead of Him to every town and place He was about to visit. . . .

officers

Deuteronomy 1:15
So I took the leaders of your tribes, wise and respected men, and appointed them as leaders over you--as commanders of thousands, of hundreds, of fifties, and of tens, and as officers for your tribes.

Deuteronomy 16:18
You are to appoint judges and officials for your tribes in every town the LORD your God is giving you. They are to judge the people with righteous judgment.

Deuteronomy 31:28
Assemble before me all the elders of your tribes and all your officers so that I may speak these words in their hearing and call heaven and earth to witness against them.