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 philandering husband and volatile marriage, the duchess, as per the custom of the day, was not socially permitted to take a lover without first having produced an heir. The first successful pregnancy resulted in the birth of Lady Georgiana Dorothy Cavendish on 12 July 1783. Called "Little G", she would become the Countess of Carlisle and have issue of her own. The duchess had developed a strong mothering sentiment since raising Charlotte, and she insisted on nursing her own children (contrary to the aristocratic custom of having a wet nurse). On 29 August 1785, a second successful pregnancy resulted in