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 the duchess. The spouses also had little in common. He would seldom be at her side and would spend nights at Brook's playing cards. The duke continued with adulterous behaviour throughout their married life and discord followed pregnancies that ended in miscarriage or failure to produce a male child as heir. Before their marriage, the duke had fathered an illegitimate daughter, Charlotte Williams, born from a dalliance with a former milliner, Charlotte Spencer (of no relation to the House of Spencer). This was unknown to the duchess until years after her marriage to the duke. After the death of the