The Mitford Girls tells the true story behind the gaiety and frivolity of the six Mitford daughters  and the facts are as sensational as any novel Nancy, whose bright social existence masked an obsessional doomed love which soured her success Pam, a countrywoman married to one of the best brains in Europe Diana, an iconic beauty, who was already married when at 22 she fell in love with Oswald Moseley, the leader of the British fascists; Unity, who romantically in love with Hitler, became a member of his inner circle before shooting herself in the temple when WWII was declared; Jessica, the family rebel, who declared herself a communist in the schoolroom and the youngest sister, Debo, who became the Duchess of Devonshire.