Unity Mitford summered at the Berghof where she continued to discuss a possible German-British alliance with Hitler, going so far as to supply lists of potential supporters and enemies. At the 1939 Bayreuth Festival, Hitler warned Unity and her sister Diana that war with Britain was inevitable within weeks and they should return home. Diana returned to England, while Unity chose to remain in Germany, though her family sent pleas for her to come home. After Britain's declaration of war on Germany on 3 September 1939, Unity was distraught. Diana Mitford told an interviewer in 1999: "She told me that if there
Mitford family Jessica became well-known writers: Nancy wrote "The Pursuit of Love" and "Love in a Cold Climate", and Jessica "The American Way of Death" (1963). Deborah managed one of the most successful stately homes in England, Chatsworth. Jessica and Deborah married nephews of prime ministers Winston Churchill and Harold Macmillan, respectively. Deborah and Diana both married wealthy aristocrats. Unity and Diana were well-known during the 1930s for being close to Adolf Hitler. Jessica turned her back on her inherited privileges and ran away to become a communist. Jessica's memoir, "Hons and Rebels", describes their upbringing, and Nancy obviously drew upon her