VATICAN - APRIL 29: Pope Paul VI speaks with Princess Irene and Prince Charles Hughes of Bourbon-Parma, on April 29, 1964 in Vatican, Italy. (Photo by Keystone-France/Gamma-Keystine via Getty Images)
VATICAN - APRIL 29: Pope Paul VI speaks with Princess Irene and Prince Charles Hughes of Bourbon-Parma, on April 29, 1964 in Vatican, Italy. (Photo by Keystone-France/Gamma-Keystine via Getty Images)