A BRITISH aristocrat may have been pregnant with Adolf Hitler’s secret lovechild as she fled Nazi Germany when war broke out, experts say. Unity Mitford, a known fascist and Nazi loyalist, shot herself in the head once war broke out but failed to take her own life – as she was wheeled back to Britain a traitor. Unity, then 25, returned home on a stretcher with a bullet still lodged in her brain and an angry crowd of Brits calling for her arrest on treason or espionage charges. For years, the affluent daughter of Lord Redesdale had been cosying up...