Deuteronomy 3:11

11(For only Og king of Bashan had remained of the remnant of the Rephaim. His bed of iron, nine cubits long and four cubits wide,3:11 Og’s bed was approximately 14 feet long and 6 feet wide (4.3 meters long and 1.8 meters wide). is still in Rabbah of the Ammonites.)