Duke of Devonshire a separate title from that of Earl of Devon, which still belongs to the Courtenay family. The fifth Duke and Duchess of Devonshire are portrayed in the 2008 film "The Duchess" directed by Saul Dibb. The film is based on Amanda Foreman's biography of the scandalous 18th-century English aristocrat Georgiana Cavendish, Duchess of Devonshire (portrayed by Keira Knightley) and her relationship with the Duke (Ralph Fiennes) and his next wife, Lady Elizabeth Foster. Along with Jane Austen, the fifth Duke and his second wife appear, soon after Georgiana's death, in "Jane and the Stillroom Maid", a murder mystery by Stephanie
Georgiana Cavendish, Duchess of Devonshire but she was wed to one of the wealthiest and most powerful men in the land. Her father, who had always shown affection to his children, wrote to her, "My Dearest Georgiana, I did not know till lately how much I loved you; I miss you more every day and every hour." Mother and daughter continued to correspond throughout their lives and many of their letters survive. From the beginning of the marriage, the Duke of Devonshire proved to be an emotionally reserved man who was quite unlike the duchess's father and who did not meet the emotional needs of