High Quality Content by WIKIPEDIA articles! Edwina Cynthia Annette Mountbatten, Countess Mountbatten of Burma,, GBE, DCVO, CI, DStJ (28 November 1901 – 21 February 1960) was an English heiress, socialite, relief-worker, wife of Louis Mountbatten, 1st Earl Mountbatten of Burma, and last Vicereine of India.