1 Kings 4:7 Solomon had twelve officers over all Israel, who provided food for the king and his household; each man had to make provision for one month in the year.
Mark 3:14,15 And he appointed twelve, whom also he named apostles, to be with him, and to be sent out to preach and have authority to cast out demons.
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Exodus 18:25,26 Moses chose able men out of all Israel, and made them heads over the people, rulers of thousands, of hundreds, of fifties, and of tens. And they judged the people at all times; hard cases they brought to Moses, but any small matter they decided themselves.
Exodus 24:1 And he said to Moses, Come up to the Lord, you and Aaron, Nadab, and Abi′hu, and seventy of the elders of Israel, and worship afar off.
Luke 10:1 After this the Lord appointed seventy others, and sent them on ahead of him, two by two, into every town and place where he himself was about to come.
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Isaiah 22:20-23 In that day I will call my servant Eli′akim the son of Hilki′ah, and I will clothe him with your robe, and will bind your girdle on him, and will commit your authority to his hand; and he shall be a father to the inhabitants of Jerusalem and to the house of Judah. And I will place on his shoulder the key of the house of David; he shall open, and none shall shut; and he shall shut, and none shall open. And I will fasten him like a peg in a sure place, and he will become a throne of honor to his father’s house.
Matthew 16:18,19 And I tell you, you are Peter, and on this rock I will build my church, and the powers of death shall not prevail against it. I will give you the keys of the kingdom of heaven, and whatever you bind on earth shall be bound in heaven, and whatever you loose on earth shall be loosed in heaven.