Deuteronomy 3
12 Ref And this land which we took at that time, from Aroer by the valley of the Arnon, and half the hill-country of Gilead with its towns, I gave to the Reubenites and the Gadites.
13 Ref The rest of Gilead and all Bashan, the kingdom of Og, all the land of Argob, together with Bashan, I gave to the half-tribe of Manasseh. (This land is named the land of the Rephaim.