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
The Duchess (film) and William come to terms with one another and, along with Bess, continue their lives together. The aftercredits reveal Georgiana secretly visits her daughter Eliza. Eliza goes on to name her own daughter Georgiana, after her mother. Charles later becomes Prime Minister of the United Kingdom under William IV. Before she dies, Georgiana gives permission for William and Bess to marry. "The Duchess" was produced by British Qwerty Films and American Magnolia Mae Films, with financial support from BBC Films, French Pathé and Italian . The film was shot at Twickenham Film Studios and on location at Chatsworth, Bath, Holkham