Jan Twardowski was born on June 1,1915 in Warsaw, Congress Poland, Russian Empire as a son of Jan Twardowski and Aniela Maria Konderska.
Jan Twardowski was born on June 1,1915 in Warsaw as a son of Jan Twardowski. Jan Twardowski was born on June 1,1915 in Warsaw as a son of Aniela Maria Konderska. Congress Poland was Warsaw. Congress Poland was Russian Empire.