Deuteronomy 4:46-47

4:46 in the Transjordan, in the valley opposite Beth Peor, in the land of King Sihon of the Amorites, who lived in Heshbon. (It is he whom Moses and the Israelites attacked after they came out of Egypt. 4:47 They possessed his land and that of King Og of Bashan – both of whom were Amorite kings in the Transjordan, to the east.