Which monarchy had this English peeress executed whose adult life is depicted in the 2014 historical novel The King's Curse?
Margaret Pole, Countess of Salisbury Margaret Pole, Countess of Salisbury (14 August 1473 – 27 May 1541), was an English peeress. She was the daughter of George, Duke of Clarence, the brother of kings Edward IV and Richard III. Margaret was one of two women in 16th century England to be a peeress in her own right with no titled husband. One of the few surviving members of the Plantagenet dynasty after the Wars of the Roses, she was executed in 1541 at the command of Henry VIII, who was the son of her first cousin Elizabeth of York. Pope Leo XIII beatified her as a martyr for the Catholic Church on 29 December 1886.
Marie Anne de Bourbon Marie Anne de Bourbon, "Légitimée de France" (2 October 1666 – 3 May 1739) was the eldest legitimised daughter ("fille légitimée de France") of King Louis XIV of France and his mistress Louise de La Vallière. At the age of thirteen, she was married to Louis Armand de Bourbon, Prince of Conti and as such was the Princess of Conti by marriage. Her father's favourite daughter, Marie Anne was widowed in 1685 aged 19. She never married again and had no children. Following her mother's retirement to a convent, Marie Anne continued to reside at her father's court and was later her mother's heiress. She later became the Duchess of La Vallière in her own right.