These are the names of Ishmael's sons, by their names according to their records: Nebaioth (Ishmael's firstborn), Kedar, Adbeel, Mibsam,

So Esau went to Ishmael and married Mahalath, the sister of Nebaioth and daughter of Abraham's son Ishmael, along with the wives he already had.

in addition to Basemath the daughter of Ishmael and sister of Nebaioth.