Jonathan Guinness

Among the six daughters and one son born to David, second Lord Redesdale, and his wife Sydney were Nancy, the novelist and historian; Diana, who married fascist leader Sir Oswald Mosley; Unity, friend of Hitler; Jessica, who became a communist and then an investigative journalist; and Deborah, Duchess of Devonshire and mistress of Chatsworth. The Mitford Girls, as John Betjeman...