Wenceslaus II, Duke of Opava-Ratibor (also known as Wenceslaus I of Ratibor and Krnov; Czech: Václav IV. Ratibořský; c. 1405 – 29 October 1456) was a member of the Opavian branch of the Přemyslid dynasty.
Nicholas V, Duke of Krnov (also known as Nicholas II of Opava-Ratibor; Czech: Mikuláš V. Krnovský; 1409–1452) was a member of the Přemyslid dynasty. He was Duke of Racibórz, Krnov, Bruntál and Rybnik. All these duchies were situated in Silesia, then part of the Crown of Bohemia
- c. 1409
- Helena of Lithuania
His parents were Duke John I of Opava-Ratibor and his wife Anna, a daughter of Duke Henry V of Glogau-Sagan (d. 1369). His father had inherited the Duchy of Ratibor in 1365 as the sole heir and became the founder of the Opava-Ratibor line of the Opavian branch of the Přemyslid dynasty. Nicholas IV was still a minor when his father died in 1380 ...
Members of the colation included Duke Victor of Münsterberg and Opava and his brother Henry the Elder, as well as Duke Przemyslaus II of Cieszyn, Duke Nicholas II of Niemodlin and his brother John II of Opole. The coalition overthrew Wencelaus III in 1474 and he was taken prisoner by Matthias Corvinus, who handed him over to henry the Elder.
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