Joshua 12:1-2

1Now these are the kings of the land, whom the children of Israel smote, and possessed their land beyond the Jordan toward the sunrising, from the valley of the Arnon unto mount Hermon, and all the Arabah eastward:

2Sihon king of the Amorites, who dwelt in Heshbon, and ruled from Aroer, which is on the edge of the valley of the Arnon, and the city that is in the middle of the valley, and half Gilead, even unto the river Jabbok, the border of the children of Ammon;