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Frederick, Duke of OpavaJohn I, Duke of OpavaJohn I, Duke of Opava-RatiborJohn II, Duke of OpavaJohn II, Duke of Opava-RatiborNicholas II, Duke of OpavaNicholas III, Duke of OpavaNicholas IV, Duke of OpavaNicholas IV, Duke of Ratibor-BruntálNicholas V, Duke of KrnovPrzemko II, Duke of OpavaPrzemko III, Duke of OpavaPřemek I, Duke of OpavaWenceslaus I, Duke of OpavaWenceslaus II, Duke of OpavaWenceslaus II, Duke of Opava-RatiborWenceslaus III, Duke of RybnikWilliam, Duke of Opava