Joshua 12:1-2

1These are the kings of the land whom the children of Israel defeated, and whose land they possessed on the other side of the Jordan toward the rising of the sun, from the River Arnon to Mount Hermon, and all the eastern Jordan plain:

2One king was Sihon king of the Amorites, who dwelt in Heshbon and ruled half of Gilead, from Aroer, which is on the bank of the River Arnon, from the middle of that river, even as far as the River Jabbok, which is the border of the Ammonites,