Their border was Jazer, and all the cities of Gilead, and half the land of the children of Ammon, to Aroer that is before Rabbah;
and half the land of the children of Ammon; not what then belonged to them, but what had been taken from them by the Amorites; and which Israel taking from them, had a right to retain, though they were forbid meddling with any of their land in present possession; see Deuteronomy 2:19