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King Constantine II of Greece pictured left with his family in exile in Rome, Italy in December 1967. From left to right: Constantine II of Greece, Queen Anne-Marie of Greece holding Pavlos, Crown Prince of Greece, Frederica of Hanover and Princess Irene of Greece and Denmark. (Photo by Rolls Press/Popperfoto via Getty Images/Getty Images)

King Constantine II of Greece pictured left with his family in exile in Rome, Italy in December 1967. From left to right: Constantine II of Greece, Queen Anne-Marie of Greece holding Pavlos, Crown Prince of Greece, Frederica of Hanover and Princess Irene of Greece and Denmark. (Photo by Rolls Press/Popperfoto via Getty Images/Getty Images)