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?
Richard III of England Richard III (2 October 1452 – 22 August 1485) was King of England from 1483 until his death in 1485, at the age of 32, in the Battle of Bosworth Field. He was the last king of the House of York and the last of the Plantagenet dynasty. His defeat at Bosworth Field, the last decisive battle of the Wars of the Roses, marked the end of the Middle Ages in England. He is the subject of the historical play "Richard III" by William Shakespeare.
Maud Marshal Maud Marshal, Countess of Norfolk, Countess of Surrey (1192 – 27 March 1248) was an Anglo-Norman noblewoman and a wealthy co-heiress of her father William Marshal, 1st Earl of Pembroke, and her mother Isabel de Clare "suo jure" 4th Countess of Pembroke. Maud was their eldest daughter. She had two husbands: Hugh Bigod, 3rd Earl of Norfolk, and William de Warenne, 5th Earl of Surrey.