Because that Moab] Jer. 48. 1, &c. Amos 2:1.
Seir] This was the Idumeans countrey, Genesis 36:8. bordering upon the Moabites: whereby these nations did oftentimes joyn against the Jews.
house of Judah] Though she boast of having alone the true God, yet he hath not protected her, no more then the Gods of other nations have protected them: words of contempt and blasphemy against God himself, as 2 Kings 18:33.