He said, *Isn't he rightly named Ya`akov? For he has supplanted me these two times. He took away my birthright. See, now he has taken away my blessing.* He said, *Haven't you reserved a blessing for me?*
He gave him the covenant of circumcision. So Avraham became the father of Yitzchak, and circumcised him the eighth day. Yitzchak became the father of Ya`akov, and Ya`akov became the father of the twelve patriarchs.