What is "Vayar Hashem ... " referring to?
Seforno: Refer to 32:13:1:1**. After the first two attempts failed, Hashem decided to purify them through Galus, which He did by denigrating them in His anger, even their young sons 1 and even the daughters. 2
Why does the Torah refer to Yisrael as "Banav u'Venosav"?
Rashbam: To attribute Hashem's anger to the fact that they were His children who were disloyal to Him. 2
Targum Yonasan: 'Hashem was angry because His beloved children, who were called after His Name, His sons and daughters, aroused His ire. 3
Why does the Torah insert the word "Benosav", when normally, daughters are included in 'Banim'?
Ramban: Because in the generation of the Churban, the women were more attached to Avodah Zarah than the men. In fact, it was they who incited the men to join them. 1