Marie José of Belgium Claretta Petacci, claimed in her diary that in 1937 the then princess and wife of the heir to the throne tried and failed to seduce the dictator at a beach resort near Rome. However, Mussolini's son, Romano, claims that the princess and dictator entered into a sexual relationship. In 1943, the Crown Princess involved herself in vain attempts to arrange a separate peace treaty between Italy and the United States; her interlocutor from the Vatican was Monsignor Giovanni Battista Montini, a senior diplomat who later became Pope Paul VI. Her attempts were not sponsored by the king and Umberto was
The Mistress of the World to be a mix of adventure, melodrama and comedy, the American edit was created to concentrate on the action. This was reflected in the promotional campaign with 11 of the 13 posters offered to the exhibitors, showing fight scenes or daredevil acts, similar to those used in American serials. In 1960 CCC Films released a two part "Mistress of the World" feature film directed by William Dieterle starring Martha Hyer as Karin Fergusson. The Mistress of the World The Mistress of the World () is an eight-part 1919 silent film made in the Weimar Republic starring Mia May in the