About Pyotr Potemkin
Pyotr Ivanovich Potyomkin was a Russian courtier, diplomat and namestnik of Borovsk during the reigns of Tsars Alexis I and Feodor III. He was a voivode during the Russo-Polish War and took Lublin in 1655 as well as Nyenschantz and Noteborg in 1656. Later he became a stolnik working as a Tsar's ambassador.