"For only Og king of Bashan remained of the remnant of the giants. Indeed his bedstead was an iron bedstead. (Is it not in Rabbah of the people of Ammon?) Nine cubits is its length and four cubits its width, according to the standard cubit.
Deuteronomy 3:11
Surrounding context
3:10 all the cities of the plain, all Gilead, and all Bashan, as far as Salcah and Edrei, cities of the kingdom of Og in Bashan.
3:11 "For only Og king of Bashan remained of the remnant of the giants. Indeed his bedstead was an iron bedstead. (Is it not in Rabbah of the people of Ammon?) Nine cubits is its length and four cubits its width, according to the standard cubit.
3:12 "And this land, which we possessed at that time, from Aroer, which is by the River Arnon, and half the mountains of Gilead and its cities, I gave to the Reubenites and the Gadites.