NETHERLANDS - FEBRUARY 12: Princess Beatrix and her fiance Claus Von Amsberg official portait session on February 12, 1966 in the Netherlands. (Photo by Gamma-Keystone via Getty Images)
NETHERLANDS - FEBRUARY 12: Princess Beatrix and her fiance Claus Von Amsberg official portait session on February 12, 1966 in the Netherlands. (Photo by Gamma-Keystone via Getty Images)