And he gave him the covenant of circumcision. And so he begot Isaac, and circumcised him the eighth day. And Isaac begot Jacob, and Jacob the twelve patriarchs.
And after that his brother came forth, and his hand had hold on Esau's heel, and his name was called Jacob. And Isaac was sixty years old when she bore them.
By faith even Sarah herself received power for conception of seed, and she gave birth beyond the time of age, because she considered him faithful who promised.
Of the sons of Judah, their generations, by their families, by their fathers' houses, according to the number of the names, from twenty years old and upward, all that were able to go forth to war,