Bible Verses About Priests: During patriarchal age heads of families acted as

Then Noah built an altar to the Lord and tooke of euery cleane beast, and of euery cleane foule, and offered burnt offerings vpon the altar.

Afterward remouing thence vnto a moutaine Eastward from Beth-el, he pitched his tent hauing Beth-el on the Westside, and Haai on the East: and there he built an altar vnto the Lord, and called on the Name of the Lord.

And he built there an altar, and had called the place, The God of Beth-el, because that God appeared vnto him there, when he fled from his brother.