Genesis 25:33

33 But Jacob said, "First promise me with an oath that you are selling me your rights." So Esau promised to do it. He sold Jacob all of the rights that belonged to him as the oldest son.

Genesis 25:33 In-Context

31 Jacob replied, "First sell me the rights that belong to you as the oldest son in the family."
32 "Look, I'm dying of hunger," Esau said. "What good are those rights to me?"
33 But Jacob said, "First promise me with an oath that you are selling me your rights." So Esau promised to do it. He sold Jacob all of the rights that belonged to him as the oldest son.
34 Jacob gave Esau some bread and some lentil stew. Esau ate and drank. Then he got up and left. So Esau didn't care anything at all about the rights that belonged to him as the oldest son.
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