וַיֹּ֣אמֶר יַעֲקֹ֗ב הִשָּׁ֤בְעָה לִּי֙ כַּיּ֔וֹם וַיִּשָּׁבַ֖ע ל֑וֹ וַיִּמְכֹּ֥ר אֶת־בְּכֹרָת֖וֹ לְיַעֲקֹֽב׃
야곱이 가로되 오늘 내게 맹세하라 에서가 맹세하고 장자의 명분을 야곱에게 판지라
Targum Jonathan on Genesis
And Jakob said, Swear to me today that so it shall be. And he sware to him, and sold his birthright to Jakob.