Who dated Semyon Zorich?

Count Semyon Zorich (1743–1799) was a Serbian-born Russian lieutenant-general and count of the Holy Roman Empire. He served Russia against the Prussians and Turks. A member of the Russian court, he was presented to Empress Catherine the Great by Grigory Potemkin and, after having been tested by Praskovja Bruce and doctor Rogerson, became the Empress' lover. He was most influential in the commercial development of Shklov and Mogilev.