Deuteronomy 2:35

And we took all his cities at that time, and utterly destroyed the men, and the women, and the little ones, of every city, we left none to remain:

From Aroer, which is by the brink of the river of Arnon, and from the city that is by the river, even unto Gilead, there was not one city too strong for us: the LORD our God delivered all unto us: