Genesis 25:31-33

New King James Version

³¹ But Jacob said, “Sell me your birthright as of this day.”

³² And Esau said, “Look, I am about to die; so ^(A)what is this birthright to me?”

³³ Then Jacob said, ^[a]“Swear to me as of this day.”

So he swore to him, and ^(B)sold his birthright to Jacob.