Afterward his brother came forth with his hand holding on to Esau’s heel, so his name was called Jacob; and Isaac was sixty years old when she gave birth to them.
“Look to Abraham your father And to Sarah who brought you forth through labor pains; When he was but one I called him, Then I blessed him and multiplied him.”
Of the sons of Judah, their genealogical registration by their families, by their fathers’ households, according to the number of names, from twenty years old and upward, whoever was able to go out to war,
And He gave him the covenant of circumcision; and so Abraham was the father of Isaac, and circumcised him on the eighth day; and Isaac was the father of Jacob, and Jacob of the twelve patriarchs.