 Complete the following phrase:  The son of Sigmund Khevenhüller and nephew of the Carinthian governor Landeshauptmann Christoph von Khevenhüller 15031557, young George became a councillor at the court of the Habsburg emperor Ferdid I and his successor Maximilian II. In 1565 he was appointed governor of Carinthia, later also President of the Inner Austrian Court Chamber at Graz and Court Chamberlain of Archduke Charles II of Austria. He distinguished himself as an officer in the 