Numbers 21:24-25

21:24 But the Israelites defeated him in battle and took possession of his land from the Arnon to the Jabbok, as far as the Ammonites, for the border of the Ammonites was strongly defended. 21:25 So Israel took all these cities; and Israel settled in all the cities of the Amorites, in Heshbon, and in all its villages.

Deuteronomy 2:33-34

2:33 the Lord our God delivered him over to us and we struck him down, along with his sons and everyone else. 2:34 At that time we seized all his cities and put every one of them under divine judgment, including even the women and children; we left no survivors.