circa 1906: 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 George C. Beresford/Beresford/Getty Images)

circa 1906:  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 George C. Beresford/Beresford/Getty Images)