Genesis 28:9
Esau went to Ishmael and took as his wife, besides the wives he had, Mahalath the daughter of Ishmael, Abraham's son, the sister of Nebaioth.
Genesis 36:3
and Basemath, Ishmael's daughter, the sister of Nebaioth.
Genesis 25:13-17
These are the names of the sons of Ishmael, named in the order of their birth: Nebaioth, the firstborn of Ishmael; and Kedar, Adbeel, Mibsam,
Genesis 26:34
When Esau was forty years old, he took Judith the daughter of Beeri the Hittite to be his wife, and Basemath the daughter of Elon the Hittite,
Genesis 36:13
These are the sons of Reuel: Nahath, Zerah, Shammah, and Mizzah. These are the sons of Basemath, Esau's wife.
Genesis 36:18
These are the sons of Oholibamah, Esau's wife: the chiefs Jeush, Jalam, and Korah; these are the chiefs born of Oholibamah the daughter of Anah, Esau's wife.