Ishmael: Son of Abraham: Daughter of, Marries Esau

Esau went to Ishmael and married Mahalath, the sister of Nebaioth and daughter of Abraham’s son Ishmael, in addition to the wives he already had.

Esau took his wives from the daughters of Canaan: Adah daughter of Elon the Hittite, Oholibamah daughter of Anah and granddaughter of Zibeon the Hivite,

…and Basemath daughter of Ishmael and sister of Nebaioth.