וַיֵּ֥לֶךְ עֵשָׂ֖ו אֶל־יִשְׁמָעֵ֑אל וַיִּקַּ֡ח אֶֽת־מָחֲלַ֣ת ׀ בַּת־יִשְׁמָעֵ֨אל בֶּן־אַבְרָהָ֜ם אֲח֧וֹת נְבָי֛וֹת עַל־נָשָׁ֖יו ל֥וֹ לְאִשָּֽׁה׃ (ס)
so Esau went unto Ishmael, and took unto the wives that he had Mahalath the daughter of Ishmael Abraham’s son, the sister of Nebaioth, to be his wife.
Targum Jonathan on Genesis
and Esau went unto Ishmael, and took to wife Mahalath, who is Besemath the daughter of Ishmael bar Abraham, the sister of Nebaioth from his mother, besides his other wives.