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.

So Esau went to Ishmael and took Mahalath, the daughter of Abraham's son Ishmael, the sister of Nebaioth, to be his wife in addition to the wives he had.

υπηγεν ο Ησαυ προς τον Ισμαηλ, και εκτος των αλλων γυναικων αυτου ελαβεν εις εαυτον γυναικα την Μαελεθ, θυγατερα Ισμαηλ του υιου του Αβρααμ, την αδελφην του Ναβαιωθ.

Then went Esau unto Ishmael, and took unto the wives which he had Mahalath the daughter of Ishmael Abraham’s son, the sister of Nebajoth, to be his wife.