Count Jan Plater-Zyberk (1908-1980) (1908–1980) Parents Victor Gf. Plater-Syberg Children Count Ludwik Plater-Zyberk Count Christoph Plater-Zyberk Countess Christina Plater-Zyberk Count Victor Plater-Zyberk Partners Princess Roza Swiatopelk-Czetwertynski