TSK · Deuteronomy 2:19

The younger also bore a son, and called his name Ben Ammi. He is the father of the children of Ammon to this day.

Yahweh said to me, "Don't bother Moab, neither contend with them in battle; for I will not give you of his land for a possession; because I have given Ar to the children of Lot for a possession."

and all the cities of Sihon king of the Amorites, who reigned in Heshbon, to the border of the children of Ammon;

and he said to him, "Thus says Jephthah: Israel didn't take away the land of Moab, nor the land of the children of Ammon,

The burden of Moab: for in a night, Ar of Moab is laid waste, and brought to nothing; for in a night Kir of Moab is laid waste, and brought to nothing.