And Ěsaw said, “Was his name, then, called Ya‛aqoḇ? For he has caught me by the heel these two times. He took my birthright, and see, now he has taken my blessing!” And he said, “Have you not reserved a blessing for me?”
As for the sons of Re’uḇĕn the first-born of Yisra’ĕl – he was the first-born, but because he profaned his father’s bed, his birthright was given to the sons of Yosĕph, son of Yisra’ĕl, so that the genealogy is not listed according to the birthright,
then it shall be, on the day he makes his sons to inherit his possessions, he is not allowed to treat the son of the beloved wife as first-born in the face of the son of the unloved, who is truly the first-born.
“But he is to acknowledge the son of the unloved wife as the first-born by giving him a double portion of all that he has, for he is the beginning of his strength – the right of the first-born is his.