Verse 10
Have we not all one Father? - From this to Mal 2:16 the prophet censures the marriages of Israelites with strange women, which the law had forbidden, Deu 7:3. And also divorces, which seem to have been multiplied for the purpose of contracting these prohibited marriages. - Newcome.
Why do we deal treacherously - Gain the affections of the daughter of a brother Jew, and then profane the covenant of marriage, held sacred among our fathers, by putting away this same wife and daughter! How wicked, cruel, and inhuman!