Career
He was Duke of Racibórz, Krnov, Bruntál and Rybnik. All these duchies were situated in Silesia, then part of the Crown of Bohemia. 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. 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.
In 1443, Nicholas allied himself with Dukes William of Opava, Przemyslaus II of Cieszyn, and Henry IX of Żagań-Głogów against the robber barons who infested Silesia.
Nicholas V died in 1452. However, in 1464, they divided their inheritance, with John IV taking Krnov and Wodzisław Śląski and Wenceslaus III taking Rybnik, Pless and Żory.