From pinterest.com/sapth/wearing-tiaras-british.
Duchess Emily is shown wearing the same dress as in the last image with a fur stole.
Keywords: Evelyn Mary Petty-FitzMaurice, Evelyn Cavendish, Duchess of Devonshire, FitzMaurice family, Cavendish family, Duchess, British, straight coiffure, square neckline, modesty piece, elbow length close sleeves, close skirt, order bows, necklace, bracelets, fan, stole, fur