And afterward his brother came out, and his hand was holding to the heel of Esau; and his name was called Jacob. And Isaac was a son of sixty years when she bore them.
And Isaac was a son of forty years when he took Rebekah, the daughter of Bethuel the Aramean from Padan-aram, the sister of Laban the Aramean, to him for a wife.
And he said, Is that why his name is called Jacob and has supplanted me these two times? He took me by the heel; he took my birthright and, behold, now he has taken my blessing. And he said, Have you not reserved a blessing for me?
And He gave to him a covenant of circumcision; and so he fathered Isaac and circumcised him on the eighth day. And Isaac fathered Jacob, and Jacob the twelve patriarchs.