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ORLY, FRANCE - OCTOBER 02: The Grand Duchess Charlotte Of Luxembourg And Prince Felix With President Charles de Gaulle At Paris Orly Airport For An Official Visit In France, in Orly, France, on October 2, 1963. (Photo by Keystone-France/Gamma-Rapho via Getty Images)

ORLY, FRANCE - OCTOBER 02: The Grand Duchess Charlotte Of Luxembourg And Prince Felix With President Charles de Gaulle At Paris Orly Airport For An Official Visit In France, in Orly, France, on October 2, 1963. (Photo by Keystone-France/Gamma-Rapho via Getty Images)