Jessica Mitford ultimately became close friends of Adolf Hitler. Diana even married the British Union of Fascists' Leader, Sir Oswald Mosley. Upon the outbreak of war between Great Britain and Nazi Germany, Unity tried to commit suicide in Munich and Diana and her husband were interned without trial for the duration of the war. Jessica later described her father as "one of nature's fascists", Jessica (always known as Decca) renounced her privileged background at an early age and became an adherent of Stalinism. She was known as the "red sheep" of the family. At the age of 19, Mitford met her second
Hitler's British Girl sisters and her adoption of fascism as a way to rebel and make herself distinct. In 1932, Unity's elder sister Diana begins an affair with British fascist leader Oswald Mosley. Against her father's wishes, Unity meets with Mosley and, according to Oswald’s son, becomes a member of the party. The following year, Diana and Unity go to the Nuremberg rally as part of the British delegation, where Unity becomes obsessed with the Führer. Unity returns to Germany in the summer of 1934 and proceeds to stalk Hitler until she is eventually invited to his table at the Osteria Bavaria Restaurant