Where was the builder of Walferdange Castle a Prince of?
Walferdange Castle Walferdange Castle (French: "Château de Walferdange" ), located in the small town of Walferdange in central Luxembourg, dates from 1824 when William I of the Netherlands who was also Grand Duke of Luxembourg built it as a stud farm. It is now part of the University of Luxembourg.
Christian August, Prince of Waldeck and Pyrmont Christian August, Prince of Waldeck and Pyrmont (German: "Christian August Prinz zu Waldeck" ; 6 December 1744, Arolsen – 25 August 1798, Palácio Nacional de Sintra, Sintra, near Lisbon) was a general in the Austrian service, and last commander and Field Marshal of the Portuguese land army.