וְאֶת־בָּשְׂמַ֥ת בַּת־יִשְׁמָעֵ֖אל אֲח֥וֹת נְבָיֽוֹת׃
E Basmat, filha de Yishmael, irmã de Nevayot.
Radak
עשו, these wives are not now described as having the names which had introduced them to the reader in 26,34 where they were called Yehudit and Bosmat. Each of these women was known by two names. This is a common occurrence throughout Scripture. Similarly, Tzivon had been introduced earlier as Beeri (26,34) and Bosmat in verse 3 of our chapter had previously been introduces as Machalat. (28,9)