Cecily Neville, Duchess of Warwick English duchess (1425–1450) Parents Alice Montacute, 5th Countess of Salisbury Richard Neville, 5th Earl of Salisbury Children Anne de Beauchamp, 15th Countess of Warwick Siblings Eleanor Neville John Neville, 1st Marquess of Montagu Katherine Neville, Baroness Hastings Richard Neville Alice Neville Lady Margaret Neville George Neville Lady Joan Neville Thomas Neville Partners Henry de Beauchamp, 1st Duke of Warwick John Tiptoft, 1st Earl of Worcester