Anne de Mortimer, Countess of Cambridge was the grandmother of the last of the Plantagenet dynasty whose defeat at Bosworth Field marked the end of what in England?
Anne de Mortimer Anne de Mortimer, Countess of Cambridge (27 December 1390 – c. 22 September 1411), was the mother of Richard Plantagenet, 3rd Duke of York, and the grandmother of King Edward IV and King Richard III.
Edmund, Earl of Rutland Edmund, Earl of Rutland (17 May 1443 – 30 December 1460) was the fifth child and second surviving son of Richard Plantagenet, 3rd Duke of York, and Cecily Neville. He was born in Rouen. At the time Rouen was the capital of English occupied France and his father held the office of Lieutenant of France. He was killed at the age of 17 either during or shortly after the Battle of Wakefield, during the Wars of the Roses.