כִּי֩ אֶת־הַבְּכֹ֨ר בֶּן־הַשְּׂנוּאָ֜ה יַכִּ֗יר לָ֤תֶת לוֹ֙ פִּ֣י שְׁנַ֔יִם בְּכֹ֥ל אֲשֶׁר־יִמָּצֵ֖א ל֑וֹ כִּי־הוּא֙ רֵאשִׁ֣ית אֹנ֔וֹ ל֖וֹ מִשְׁפַּ֥ט הַבְּכֹרָֽה׃ (ס)
Mas al hijo de la aborrecida reconocerá por primogénito, para darle dos tantos de todo lo que se hallare que tiene: porque aquél es el principio de su fuerza, el derecho de la primogenitura es suyo.
Targum Jonathan on Deuteronomy
but (let him acknowledge) the birthright of the son of her who is disliked, and all that belongeth to it, to give him the double portion of all that may be found with him, because he is the beginning of his strength, and to him pertaineth the birthright.