Joshua 13:8-10

8with him the Reubenites and the Gadites have received their inheritance, which Moses gave them, beyond the Jordan eastward, as Moses the servant of Jehovah gave them:

9from Aroer, which is on the bank of the river Arnon, and the city that is in the midst of the ravine, and all the plateau of Medeba to Dibon,

10and all the cities of Sihon the king of the Amorites, who reigned at Heshbon, to the border of the children of Ammon;