Guillaume II des Pays-Bas
Moët's words were prophetic as in the ensuing years, the House of Moët saw a boom in sales and prestige with clients from around the world visiting their cellars and making purchases including the former Napoleonic foes Arthur Wellesley, 1st Duke of Wellington, Frederick William III of Prussia, William II of the Netherlands, Francis II, Holy Roman Emperor and Csar Alexander I of Russia.