Joshua 13:8-10

8With the other half of the tribe of Manasseh, the Reubenites and Gadites had received the inheritance Moses gave them beyond the Jordan to the east, just as Moses the Lord’s servant had given them:

9From Aroer on the rim of the Arnon Valley, along with the city in the middle of the valley, all the Medeba plateau as far as Dibon,

10and all the cities of King Sihon of the Amorites, who reigned in Heshbon, to the border of the Ammonites;