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
Ivy Cavendish-Bentinck, Duchess of Portland 21 December 2008. The second daughter, Lady Victoria, married the Italian Don Gaetano Parente, Principe di Castel Viscardo, on 12 April 1950. She had one son, William Henry Marcello Parente (b. 1951), and died on 29 August 1955, aged 36. The Portlands' only grandchild, William Parente, of Welbeck Abbey, was appointed High Sheriff of Nottinghamshire in 2003. Ivy Cavendish-Bentinck, Duchess of Portland Ivy Cavendish-Bentinck, Duchess of Portland DBE (née Gordon-Lennox; 16 June 1887 – 3 March 1982) was Duchess of Portland from 1943 – 1977 and afterwards Dowager Duchess. She initiated the Harley Foundation, "to encourage creativity". Ivy Gordon-Lennox was