Patricia Knatchbull, 2nd Countess Mountbatten of Burma

Patricia Edwina Victoria Knatchbull, 2nd Countess Mountbatten of Burma, Baroness Brabourne (née Mountbatten; 14 February 1924 – 13 June 2017), was a British peeress and third cousin of Queen Elizabeth II. She was the elder daughter of Admiral of the Fleet the 1st Earl Mountbatten of Burma (formerly Prince Louis of Battenberg) and of heiress Edwina Ashley. She was the elder sister of Lady Pamela Hicks, the first cousin of Prince Philip, Duke of Edinburgh, and the last surviving baptismal sponsor to her first cousin once removed King Charles III. She was the great-great-granddaughter of Queen Victoria.

Source: Wikipedia — Patricia Knatchbull, 2nd Countess Mountbatten of Burma (CC BY-SA 4.0)