Princess Isabelle D'Orleans Duchess Of Guise, Prince Duke Of Orleans John Guise, His Son Henri Count Of Paris [Getty Images]

ITALY - NOVEMBER 07: From left to right: Princess Isabelle d'Orleans Duchess of GUISE, Prince Duke of Orleans JOHN GUISE, his son Henri Count of Paris and his new wife Princess Isabelle of Orleans-Braganza, Countess of Paris, photographed in Palermo during the wedding ceremony. (Photo by Keystone-France/Gamma-Keystone via Getty Images)

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