Genesis 25:27-32

When the boys grew up, Esau became a rugged outdoorsman and a hardy hunter, but Jacob was more contemplative, content to stay close to home. Isaac loved Esau because he was fond of eating wild game, but Rebekah dearly loved Jacob. One day, when Jacob was cooking a stew, Esau returned from hunting, and he was famished. Smelling the aroma of food, Esau said to Jacob, “I’m starving! Let me eat some of that red stuff you’re cooking.” (This is why he is also called Edom.) “Yes, but first you must trade me your birthright,” Jacob replied. “Can’t you see I’m dying of hunger?” Esau said. “What good is the birthright if I’m dead?”