In the mirror universe, the Sato Dynasty was the ruling family of the Terran Empire from 2155 to 2277.

The line originated with Empress Sato I who took power in January 2155. It included Empress Sato II and Sato III, the last of the Sato Dynasty, who was overthrown by Grand Admiral Spock in 2277. (ENT - Mirror Universe novel: Age of the Empress; TOS - Mirror Universe novel: The Sorrows of Empire)

It is unclear whether the binary clone created from the DNA of Sato I and Shran was a part of this royal line, or if another of Sato's male consorts was the patriarch of the dynasty.
It is also unclear whether or not there were other Emperors and Empresses in the Sato Dynasty besides the three named. Given the 122-year duration of the family's rule, however, this would seem more likely than not.
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