The New John Gill Exposition of the Entire BibleNumbers 21:31
Thus Israel dwelt in the land of the Amorites.
] Not the land
of the Moabites; and by those means before mentioned; by conquering
Sihon their king, they came into the possession of it, and took up
their dwelling in it; this was the beginning of the conquest of the
Canaanites, and an earnest and pledge of inheriting their land promised
unto them; the Israelites that dwelt here were the tribes of Reuben and