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 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 Callander of Craigforth and Ardkinglas. She was the younger sister of Helen Lady Dufferin, songwriter, composer, poet, and author, and Caroline Norton, society beauty, feminist, social reformer, and author. Georgiana, Helen, and Caroline were the granddaughters of Irish playwright Richard Brinsley Sheridan. Known for her loveliness, the Duchess was chosen to