Deuteronomy 3
12 Ref This land we took in possession at that time: from Aroer, which is by the valley of the Arnon, and half the hill-country of Gilead, and the cities of it, gave I to the Reubenites and to the Gadites:
13 Ref and the rest of Gilead, and all Bashan, the kingdom of Og, gave I to the half-tribe of Manasseh; all the region of Argob, even all Bashan. (The same is called the land of Rephaim.