According to her article in thpeerage, she was first married to Sir Thomas Dyke Acland, 5th/9th Bt. and then to Captain Matthew Fortescue.
Lady Henrietta wears a variation on the late Empire era style with a vee neckline edged by a vee-necked chemise with collar and somewhat baggy notched sleeves.
Keywords: 1820, Henrietta Anne Hoare, Mrs. Acland, Mrs. Fotescue, Lady Acland, Lady Fortescue, British, curly coiffure, jeweled turban, chemise, vee neckline, collar, bodice, quarter length notched close sleeves, Empire low waistline, jeweled belt, close skirt, necklace, clasps