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# Ernest of Bavaria (13 June 1500 – 1560), an eclassiastical official in Passau (1517–40), Cologne, Archbishop in Salzburg (1540–54) and Eichstädt, also administrator and owner of the County of Kladsko (1549–1560)
Friedrichswartha was founded in 1777, after the conquest of the County of Kladsko by the Prussian king Frederick the Great in the course of the First Silesian War 1740–42.
Půta III of Častolovice (also Půta the Younger of Častolovice; died 1434), Bohemian nobleman, Landeshauptmann and pledge lord of the County of Kladsko and the Duchies of Ząbkowice Śląskie and Münsterberg