Deuteronomy 3:10-13

10all the cities of the plateau, all Gilead, and 1all Bashan, as far as Salecah and Edrei, cities of the kingdom of Og in Bashan. 11(For only Og king of Bashan was left of the remnant of the 2Rephaim. Behold, his 3bed was a 4bed of iron; it is in 5Rabbah of the sons of Ammon. Its length was nine cubits, and its width four cubits by 6the usual cubit.)

12“So we took possession of this land at that time. From 7Aroer, which is by the 8Valley of Arnon, and half the hill country of 9Gilead and its cities I gave to the Reubenites and to the Gadites. 13The rest of Gilead and all Bashan, the kingdom of Og, I gave to the half-tribe of Manasseh, all the region of Argob. (As to all Bashan, it is called the land of Rephaim.