WList of monarchs of PrussiaWFrederick I of PrussiaWFrederick the GreatWFrederick III, German EmperorWFrederick William I of PrussiaWFrederick William II of PrussiaWFrederick William III of PrussiaWFrederick William IV of PrussiaWKing in PrussiaWWilhelm II, German EmperorWWilliam I, German Emperor
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