 Mary of Waltham

Mary of Waltham (10 October 1344 – September 1361) Duchess of Brittany, was a daughter of King Edward III of England and Philippa of Hainault and was the wife of John IV, Duke of Brittany, known in England as "John V" and "The Conqueror".When Mary was born at Bishop's Waltham Palace, Hampshire on 10 October 1344, her future husband was already living with her brothers and sisters in the royal nursery.