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.
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.