Joshua 12:1-2

1Now these are the kings of the land whom the Israelites struck down and whose lands they took beyond the Jordan to the east, from the Arnon Valley to Mount Hermon, including all the Arabah eastward:

2Sihon king of the Amorites, who lived in Heshbon. He ruled from Aroer on the rim of the Arnon Valley, along the middle of the valley, up to the Jabbok River (the border of the Ammonites), that is, half of Gilead,