Louise de Kérouaille, Duchess of Portsmouth died in Paris on 14 November 1734, aged 85. Some of Louise's descendants, Diana, Princess of Wales, Camilla, Duchess of Cornwall, Sarah, Duchess of York and Princess Alice, Duchess of Gloucester, would eventually play major roles in the lives of later princes of the United Kingdom: Charles, Prince of Wales, Andrew, Duke of York and Prince Henry, Duke of Gloucester. 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
Sarah Churchill, Duchess of Marlborough religion, a subject she rarely mentioned, although at their last fraught interview she did warn Anne that she risked God's vengeance for her unreasoning cruelty to Sarah. The queen did not want this difference to come between them; but Sarah, always thinking of her husband, wanted Anne to give more support to the Whigs, which she was not prepared to do. Sarah was called to Cambridge in 1703, where her only surviving son, John, Marquess of Blandford, was taken ill with smallpox. The Duke of Marlborough was recalled from the war and was at his bedside when he died on