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
Nancy Mitford in favour of the new arrival was a further source of outrage to Nancy, and throughout their childhood and into young adulthood she continued to vent her displeasure on her sister. In January 1909 a brother, Tom was born, and in June 1910 another sister, Diana, followed. That summer, to relieve the pressure on what was becoming an overcrowded nursery, Nancy attended the nearby Francis Holland School. The few months she spent there represented almost the whole of her formal schooling; in the autumn the family moved to a larger house in Victoria Road, Kensington, after which Nancy was educated