Esau went to Ishmael and took Mahalath daughter of Abraham’s son Ishmael and sister of Nebaioth to be his wife in addition to the wives he had.
and Basemath, Ishmael’s daughter, sister of Nebaioth.
These are the sons of Esau’s wife Oholibamah: the clans Jeush, Jalam, and Korah; these are the clans born of Esau’s wife Oholibamah, the daughter of Anah.
These were the sons of Reuel: Nahath, Zerah, Shammah, and Mizzah. These were the sons of Basemath, Esau’s wife.
When Esau was forty years old, he married Judith daughter of Beeri the Hittite and Basemath daughter of Elon the Hittite,
Esau took his wives from the Canaanites: Adah daughter of Elon the Hittite, Oholibamah daughter of Anah son of Zibeon the Hivite,