The hardest task for a royal mistress was getting the public to actually like them. Nell Gwyn made that seem almost too easy. She also has a monument in London.
Nell Gwyn: The Beloved Mistress of Charles II
Henrietta of England: The Poisoned Duchess of Orléans
Henrietta of England, known as Minette, fled England at the age of only three, then became a very unhappy duchess, followed by her very mysterious early death.
Henrietta Maria, Queen of England
A crazy story which includes an assassination, a beheading, and a ton of civil war.
The Royal Women 