Genesis 28:9
then Esau went to Ishmael, and took Mahalath the daughter of Ishmael, Abraham's son, the sister of Nebajoth, to the wives which he had for his wife.
Genesis 36:3
And Basemath the daughter of Ishmael, sister of Nebajoth.
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 was Nebajoth; and Kedar, and Adbeel, and Mibsam,
Genesis 26:34
And Esau was forty years old when he took to wife Judith the daughter of Beeri the Hittite, and Basemath the daughter of Elon the Hittite;
Genesis 36:13
And these were the sons of Reuel: Nahath, and Zerah, Shammah, and Mizzah; these were the sons of Basemath, Esau's wife.
Genesis 36:18
And these were the sons of Oholibamah, Esau's wife: Chief Jeush, Chief Jaalam, Chief Korah. These were the chiefs of Oholibamah, the daughter of Anah, Esau's wife.