Genesis 36:3

36:3 in addition to Basemath the daughter of Ishmael and sister of Nebaioth.

Genesis 28:9

28:9 So Esau went to Ishmael and married ¹  Mahalath, the sister of Nebaioth and daughter of Abraham’s son Ishmael, along with the wives he already had.

¹ tn Heb “took for a wife.”