Princess Beatrix of the Netherlands and Queen Juliana of the Netherlands (1909 - 2004) seen on a State Visit to Brussels, 31st May 1960.  L - R; Prince Albert of Belgium, later King Albert II of Belgium, Princess Paola of Belgium (later Queen Paola of Belgium), Princess Beatrix of the Netherlands, Queen Juliana of the Netherlands, King Baudouin of Belgium (1930 - 1993). (Photo by Keystone/Hulton Archive/Getty Images)