so that I may make you swear by the Lord, the God of heaven and earth, that you will not take a wife for my son from the daughters of the Canaanites, among whom I live.
Now Isaac was old, and his eyes were cloudy, and so he was not able to see. And he called his elder son Esau, and he said to him, "My son?" And he responded, "Here I am."
But he responded: "Justly is his name called Jacob. For he has supplanted me yet another time. My birthright he took away before, and now, this second time, he has stolen my blessing." And again, he said to his father, "Have you not reserved a blessing for me also?"