Treasury of Scripture Knowledge
But he shall acknowledge the son of the hated for the firstborn, by giving him a double portion of all that he hath: for he is the beginning of his strength; the right of the firstborn is his.
And Abraham will give all which is to him to Isaak.
1 Chronicles 5:1
And the sons of Reuben the first-born of Israel, (for he the firstborn; and in his defiling his father's bed, the birth-right was given to the sons of Joseph the son of Israel; and not to be enrolled for the birthright
Reuben, my first-born, thou my strength, and the beginning of my strength, the abundance of elevation, and the abundance of might
And he will strike every first-born in their land, the first-fruits to all their strength.
And Jacob will say, Sell this day thy birth-right to me.