Reference for Genesis 27:32

וַיֹּ֥אמֶר ל֛וֹ יִצְחָ֥ק אָבִ֖יו מִי־אָ֑תָּה וַיֹּ֕אמֶר אֲנִ֛י בִּנְךָ֥ בְכֹֽרְךָ֖ עֵשָֽׂו׃

And Isaac his father said unto him: ‘Who art thou?’ And he said: ‘I am thy son, thy first-born, Esau.’

BDB