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

Noah built an altar to the LORD, and took of every clean animal, and of every clean bird, and offered burnt offerings on the altar.

He left from there to the mountain on the east of Bethel, and pitched his tent, having Bethel on the west, and Ai on the east. There he built an altar to the LORD and called on the LORD’s name.

He built an altar there, and called the place El Beth El; because there God was revealed to him, when he fled from the face of his brother.