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

Noach built an altar to Adonai. Then he took from every clean animal and every clean bird, and he offered burnt offerings on the altar.

He left that place, went to the hill east of Beit-El and pitched his tent. With Beit-El to the west and ‘Ai to the east, he built an altar there and called on the name of Adonai.

He built there an altar and called the place El-Beit-El [God of Beit-El], because it was there that God was revealed to him, at the time when he was fleeing from his brother.