Cecily Neville, Duchess of Warwick Published January 1, 2013 at 517 × 624 in Family of Queen Katherine: Lady Cecily, Duchess of Warwick Detail of the magnificent tomb chest that bears the effigy of Richard Beauchamp, 13th Earl of Warwick in the chapel he founded at St Mary’s, Warwick. This effigy is that of his daughter-in-law, Lady Cecily Neville.