Isabel Neville, daughter of Richard Neville (died 1476)

Lady Isabel Neville was the elder daughter and co-heiress of Richard Neville, 16th Earl of Warwick, and Anne de Beauchamp, suo jure 16th Countess of Warwick. She was the wife of George Plantagenet, 1st Duke of Clarence. She was also the elder sister of Anne Neville, wife and consort of Clarence's brother, Richard III.