Piotr Parczewski
Piotr Parczewski (Belarusian: Пётр Парчэўскі, romanized: Pyotr Parchewski; Lithuanian: Petras Parčevskis; 1590 – 6 December 1658) was the Roman Catholic Bishop of Smolensk and the Bishop of Samogitia (now Roman Catholic Archdiocese of Kaunas). He was also a royal secretary and a Catholic convert from Orthodoxy.