When Did Edwina Mountbatten Die?

Edwina Cynthia Annette Mountbatten, Countess Mountbatten of Burma, commonly known as Lady Mountbatten, was an English heiress, socialite, and relief worker. As the wife of Rear Admiral Louis Mountbatten, 1st Earl Mountbatten of Burma, she served as the last vicereine of India during the reign of George VI and became a close relative by marriage of the British royal family.