|Left to Right: Grand Duke Henri, Prince Félix, Prince Sébastien, Prince Louis, Grand Duke Jean, and Prince Guillaume of Luxembourg|
|L to R: King Albert, Prince Philippe, and Prince Laurent of Belgium; Prince Lorenz, Archduke of Austria-Este (husband of Princess Astrid of Belgium), and his son Prince Amedeo|
|L to R: The Prince of Orange, Prince Henrik and Crown Prince Frederik of Denmark, King Harald and Crown Prince Haakon of Norway|
|L to R: Prince Daniel and Prince Carl Philip of Sweden, the Prince of Asturias, King Constantine and Crown Prince Pavlos of Greece|
|L to R: The Earl of Wessex; Prince Hassan and Prince Rashid of Jordan; the Prince of Liechtenstein; Crown Prince Naruhito of Japan|
|L to R: King Simeon of Bulgaria, the Duke of Parma, the Duke of Braganza, the Prince of Venice and Piedmont, the Prince of Preslav|
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Photos: Getty Images/Cour Grand Ducale/Christian Aschman/PPE/Reuters