Thematic Bible: Jacob obtains his brother's birthright by an unjust advantage

Once when Jacob was cooking a stew, Esau came in from the field, exhausted. He said to Jacob, "Let me eat some of that red stuff, because I'm exhausted." That is why he was [also] named Edom. Jacob replied, "First sell me your birthright." read more.
"Look," said Esau, "I'm about to die, so what good is a birthright to me?" Jacob said, "Swear to me first." So he swore to Jacob and sold his birthright to him.