Genesis 36:3

and Basemath, Ishmael’s daughter, sister of Nebaioth.

Genesis 28:9

and [to appease his parents] Esau went to [the family of] Ishmael and took as his wife, in addition to the wives he [already] had, Mahalath the daughter of Ishmael, Abraham’s son, the sister of Nebaioth [Ishmael’s firstborn son].

Genesis 25:13

and these are the names of the [twelve] sons of Ishmael, named in the order of their births: Nebaioth, the firstborn of Ishmael, and Kedar, Adbeel, Mibsam,

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