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.
— Genesis 28:9
These are their genealogies: Nebaioth the firstborn of Ishmael, then Kedar, Adbeel, Mibsam,
— 1 Chronicles 1:29
All the flocks of Kedar will be gathered to you; the rams of Nebaioth will serve you and go up on My altar with acceptance; I will adorn My glorious house.