In the mirror universe, Hoshi Sato III (2248-2277) was a Terran female who ruled as the Empress of the Terran Empire. Like her predecessor Hoshi Sato II, she was a clone of Hoshi Sato I. She was the last of the Sato Dynasty. Empress Sato III reigned from 2267 to 2277, at which time she was killed using the Tantalus field. Grand Admiral Spock then seized the Imperial throne for himself. (TOS - Mirror Universe novel: The Sorrows of Empire)