Joshua 12:2

12:2 King Sihon of the Amorites who lived in Heshbon and ruled from Aroer (on the edge of the Arnon Valley) – including the city in the middle of the valley and half of Gilead – all the way to the Jabbok Valley bordering Ammonite territory.

Joshua 17:9

17:9 The border then descended southward to the Valley of Kanah. Ephraim was assigned cities there among the cities of Manasseh, but the border of Manasseh was north of the valley and ended at the sea.