Genesis 28:9
9 Esau went to Ishmael and took as his wife, besides the wives he had, nMahalath the daughter of Ishmael, Abraham’s son, the sister of oNebaioth.
Genesis 36:2–3
2 Esau htook his wives from the Canaanites: Adah the daughter of Elon the Hittite, iOholibamah the daughter of Anah the daughter1 of Zibeon the Hivite, 3 and jBasemath, Ishmael’s daughter, the sister of Nebaioth.