Louise de Kérouaille, Duchess of Portsmouth Louise de Kérouaille, Duchess of Portsmouth Louise Renée de Penancoët de Kérouaille, Duchess of Portsmouth (September 1649 – 14 November 1734) was a mistress of Charles II of England. Through her son by Charles II, Charles Lennox, 1st Duke of Richmond, she is ancestress of both wives of Prince Charles: Lady Diana Spencer and Camilla Shand. Louise was the daughter of Guillaume de Penancoët, Seigneur de Kérouaille (d. 1690) and his wife (married on 27 February 1645) Marie de Ploeuc de Timeur (d. January 1709), paternal granddaughter of René de Penancoët, Seigneur de Kérouaille et Villeneuve, and his wife (married
Duchess of Cornwall marriage to Arthur, Prince of Wales, who was the Duke of Cornwall. Before the present Duchess, the most recent Duchess of Cornwall was Diana, Princess of Wales. During this period, she was usually styled Princess of Wales, as have been most Duchesses of Cornwall. Before Camilla the only Duchesses of Cornwall to be styled as such were Caroline, wife of the future King George II, who was styled ""Her Royal Highness" The Duchess of Cornwall and Cambridge" from 1 August to 27 September 1714; and Mary, wife of the future King George V, who was styled ""Her Royal Highness" The