Foreign Royalty, Personalities, pic: circa 1958, King Olav (Olaf) of Norway, 2nd left, pictured with his children Princess Ragnhild, left, Princess Astrid and Prince Harald, right, King Olav (1903-1991) succeeded his father King Haakon VII in 1957 [Getty Images]

Foreign Royalty, Personalities, pic: circa 1958, King Olav (Olaf) of Norway, 2nd left, pictured with his children Princess Ragnhild, left, Princess Astrid and Prince Harald, right, King Olav (1903-1991) succeeded his father King Haakon VII in 1957 (Photo by Popperfoto via Getty Images/Getty Images) — see more

Foreign Royalty, Personalities, pic: circa 1958, King Olav (Olaf) of Norway, 2nd left, pictured with his children Princess Ragnhild, left, Princess Astrid and Prince Harald, right, King Olav (1903-1991) succeeded his father King Haakon VII in 1957 (Photo by Popperfoto via Getty Images/Getty Images)