circa 1904: Princess Victoria Eugenie (Ena) of Battenberg, (1887 - 1969), a grand-daughter of Queen Victoria, before her marriage to King Alfonso XIII of Spain. (Photo by Hulton Archive/Getty Images)

circa 1904:  Princess Victoria Eugenie (Ena) of Battenberg, (1887 - 1969), a grand-daughter of Queen Victoria, before her marriage to King Alfonso XIII of Spain.  (Photo by Hulton Archive/Getty Images)