And after that his brother was born, and his hand took hold on Esau's heel; and his name was called Jacob: and Isaac was sixty years old when she bore them.
Of the children of Judah, by their generations, after their families, by the house of their fathers, according to the number of the names, from twenty years old and upward, all that were able to go forth to war;
And he gave him the covenant of circumcision. And so Abraham begat Isaac, and circumcised him the eighth day; and Isaac begat Jacob, and Jacob begat the twelve patriarchs.
Through faith also Sarah herself received strength to conceive seed, and was delivered of a child when she was past age, because she judged him faithful who had promised.
Of the tribe of Judah were sealed twelve thousand. Of the tribe of Reuben were sealed twelve thousand. Of the tribe of Gad were sealed twelve thousand.