Have begotten — They have trained up their children in the same idolatry. A month — Possibly it may refer to Shallum's short time of usurpation, which lasted but a month; the Assyrians shall make a speedy conquest over you. With their portions — With all their substance.
Related Commentaries of Hosea 5:7
Hosea 5:7
7 They have dealt treacherously against the LORD: for they have begotten strange children: now shall a month devour them with their portions.