High Quality Content by WIKIPEDIA articles! Anne de Beauchamp, 16th Countess of Warwick (13 July 1426 – 20 September 1492) was the daughter of Richard de Beauchamp, 13th Earl of Warwick, and his second wife Isabel le Despenser. Isabel was a daughter of Thomas le Despenser (22 September 1373 – 13 January 1399/1400 and Constance of York. Anne was the mother of Anne Neville, Queen consort of England as the spouse of King Richard III.