Esau learned that Isaac had blessed Jacob and sent him away to Mesopotamia to find a wife. He also learned that when Isaac blessed him, he commanded him not to marry a Canaanite woman.
Isaac began to tremble and shake all over, and he asked, “Who was it, then, who killed an animal and brought it to me? I ate it just before you came. I gave him my final blessing, and so it is his forever.”