Targum for Genesis 25:33
וַיֹּ֣אמֶר יַעֲקֹ֗ב הִשָּׁ֤בְעָה לִּי֙ כַּיּ֔וֹם וַיִּשָּׁבַ֖ע ל֑וֹ וַיִּמְכֹּ֥ר אֶת־בְּכֹרָת֖וֹ לְיַעֲקֹֽב׃
And Jacob said: ‘Swear to me first’; and he swore unto him; and he sold his birthright unto Jacob.
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.
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