Genesis 28:9
And Esau went unto Ishmael, and took, besides the wives that he had, Mahalath the daughter of Ishmael Abraham's son, the sister of Nebaioth, to be his wife.
Genesis 36:3
and Basemath Ishmael's daughter, sister of Nebaioth.
Genesis 25:13-17
And these are the names of the sons of Ishmael, by their names, according to their generations: the first-born of Ishmael, Nebaioth, and Kedar, and Adbeel, and Mibsam,
Genesis 26:34
And when Esau was forty years old he took to wife Judith the daughter of Beeri the Hittite, and Basemath the daughter of Elon the Hittite.
Genesis 36:13
And these are the sons of Reuel: Nahath, and Zerah, Shammah, and Mizzah: these were the sons of Basemath, Esau's wife.
Genesis 36:18
And these are the sons of Oholibamah, Esau's wife: chief Jeush, chief Jalam, chief Korah: these are the chiefs that came of Oholibamah the daughter of Anah, Esau's wife.