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Newlyweds Princess Astrid of Norway and Johan Ferner leaving Asker Church in Oslo after their wedding on 12th January 1961. (Photo by Ray Bellisario/Popperfoto via Getty Images/Getty Images)

Newlyweds Princess Astrid of Norway and Johan Ferner leaving Asker Church in Oslo after their wedding on 12th January 1961. (Photo by Ray Bellisario/Popperfoto via Getty Images/Getty Images)

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ASKER,NORWAY - JANUARY 12: The bride Princess Astrid and her groom Johan Martin Ferner during the ceremony on January 12, 1961 in Asker, Norway. (Photo by Keystone-France\Gamma-Rapho via Getty Images)

ASKER,NORWAY - JANUARY 12: The bride Princess Astrid and her groom Johan Martin Ferner during the ceremony on January 12, 1961 in Asker, Norway.  (Photo by Keystone-France\Gamma-Rapho via Getty Images)

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OSLO, NORWAY - JANUARY 14: Portrait of Princess Astrid and Johan Martin Ferner after the wedding ceremony in a small Lutheran church, on January 14, 1961 in Oslo, Norway. (Photo by Keystone-France/Gamma-Keystine via Getty Images)

OSLO, NORWAY - JANUARY 14: Portrait of Princess Astrid and Johan Martin Ferner after the wedding ceremony in a small Lutheran church, on January 14, 1961 in Oslo, Norway. (Photo by Keystone-France/Gamma-Keystine via Getty Images)