Genesis 25:19-34
25:19 These are the descendants of Isaac, Abraham's son: Abraham was the father of Isaac,
25:20 and Isaac was forty years old when he married Rebekah, daughter of Bethuel the Aramean of Paddan-aram, sister of Laban the Aramean.
25:21 Isaac prayed to the LORD for his wife, because she was barren; and the LORD granted his prayer, and his wife Rebekah conceived.
25:22 The children struggled together within her; and she said, "If it is to be this way, why do I live?" So she went to inquire of the LORD.
25:23 And the LORD said to her, "Two nations are in your womb, and two peoples born of you shall be divided; the one shall be stronger than the other, the elder shall serve the younger."
25:24 When her time to give birth was at hand, there were twins in her womb.
25:25 The first came out red, all his body like a hairy mantle; so they named him Esau.
25:26 Afterward his brother came out, with his hand gripping Esau's heel; so he was named Jacob. Isaac was sixty years old when she bore them.
25:27 When the boys grew up, Esau was a skillful hunter, a man of the field, while Jacob was a quiet man, living in tents.
25:28 Isaac loved Esau, because he was fond of game; but Rebekah loved Jacob.
25:29 Once when Jacob was cooking a stew, Esau came in from the field, and he was famished.
25:30 Esau said to Jacob, "Let me eat some of that red stuff, for I am famished!" (Therefore he was called Edom.)
25:31 Jacob said, "First sell me your birthright."
25:32 Esau said, "I am about to die; of what use is a birthright to me?"
25:33 Jacob said, "Swear to me first." So he swore to him, and sold his birthright to Jacob.
25:34 Then Jacob gave Esau bread and lentil stew, and he ate and drank, and rose and went his way. Thus Esau despised his birthright.
We often use this story as a metaphor for what Americans have been doing with their birthright of individual liberty, but I know that's not what the story is about.