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 Seymour, Duchess of Somerset be the "Queen of Beauty" at the Eglinton Tournament in 1839. She married Duke Edward in 1830, when he was twenty-five and she was twenty. They had two sons and three daughters: The Duchess was survived by her husband by less than a year. She is interred at Gerrard's Cross, Buckinghamshire. Georgiana Seymour, Duchess of Somerset Jane Georgiana Seymour, Duchess of Somerset (née Sheridan; 5 November 1809 – 14 December 1884), was the wife of Edward, Duke of Somerset. Jane Georgiana Sheridan was the third daughter of Thomas Sheridan and his wife the novelist Caroline Callander, daughter of Sir James