Nicholas V, Duke of Krnov

Nicholas V, Duke of Krnov
Spouse(s)	Margaret Clemm of Ellguth Barbara Rockemberg
Noble family	Přemyslid dynasty
Father	John II, Duke of Opava-Ratibor
Mother	Helena of Lithuania
Born	c.  1409
Died	1452

Nicholas V, Duke of Krnov (also known as Nicholas II of Opava-Ratibor;Czech: Mikuláš V. Krnovský; c.  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.

His parents were John "the Iron" and Helena of Lithuania (niece of King Wladyslaw II Jagiello of Poland).

Although Nicholas and his younger brother Wenceslaus II were probably adults when their father died in 1424, their mother, Helena of Lithuania nevertheless acted as regent until 1428. Until 1449, she styled herself as Lady of Pless, suggesting that she had received Pless as her jointure. Nicholas V and Wenceslaus II ruled their duchy jointly until 1437, at which time they divided their inheritance. Nicholas V received Krnov, Bruntál, Rybnik, Pless, and Baborów, while Wenceslaus II received Racibórz.

In 1433, a Hussite army passing through the Váh valley devastated Racibórz and prepared to hand it to Duke Bolko V of Opole, who supported the Hussites. However, Nicholas V reconquered Racibórz. In 1436, Nicholas V also conquered the Duchy of Głubczyce, which was owned by Duke Wenceslaus II of Opava, who retaliated by conquering Żory. In 1437, Nicholas V and Wenceslaus II of Opava reached a compromise.

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