ROBERT TREUHAFT, who has died aged 89, was best known as the Communist husband of Jessica Mitford; by marrying into the Mitford clan, he became one of a disparate group of brothers-in-law that included Sir Oswald Mosley, Lord Moyne, Derek Jackson, and the Duke of Devonshire. On paper, Bob Treuhaft sounded unpleasant, and was once described as one of the most dangerously subversive lawyers operating in America. In reality, he possessed considerable charm and intelligence, and was an altogether lovable figure. Robert E Treuhaft was born in New York on August 8 1912, the son of Jewish working class immigrants ...