And he said, Is not he rightly named Jacob? for he has supplanted me these two times: he took away my birthright; and, behold, now he has taken away my blessing. And he said, Have you not reserved a blessing for me?
Now the sons of Reuben the firstborn of Israel, (for he was the firstborn; but for as much as he defiled his father's bed, his birthright was given to the sons of Joseph the son of Israel: and the genealogy is not to be reckoned after the birthright.
Then it shall be, when he makes his sons to inherit that which he has, that he may not make the son of the beloved firstborn before the son of the hated, which is indeed the firstborn:
But he shall acknowledge the son of the hated for the firstborn, by giving him a double portion of all that he has: for he is the beginning of his strength; the right of the firstborn is his.