BRUSSELS, BELGIUM - APRIL 09: The Belgian royal family (from left to right: Princess Astrid, Princess Paola, Prince Laurent, Prince Philippe, Prince Albert of Belgium) on a bench in the park of the Belvedere castle on April 9, 1965 in Brussels , Belgium. (Photo by Keystone-France/Gamma-Keystine via Getty Images)
BRUSSELS, BELGIUM - JUNE 09: Princess Astrid, Prince Laurent and Prince Philip play on chairs in the park of the Belvedere castle on June 9, 1964 in Brussels, Belgium. (Photo by Keystone-France/Gamma-Keystine via Getty Images)
Prince Albert of Belgium (later King Albert II of Belgium) and Princess Paola of Belgium (later Queen Paola of Belgium) enjoy a weekend away on a farm with their three children, Princess Astrid of Belgium, Prince Philippe of Belgium (second from left), and Prince Laurent of Belgium, Belgium, 5th June 1967. (Photo by Keystone/Hulton Archive/Getty Images)
Princess Paola of Belgium (later Queen Paola of Belgium) and Prince Alfred of Belgium with their children, Princess Astrid of Belgium (left), Prince Laurent of Belgium (centre), and Prince Philippe of Belgium, 14th April 1965. (Photo by Keystone/Hulton Archive/Getty Images)
