Elizabeth Cavendish noblewoman; Peerage person ID=10262 (1677–1741) Parents William Cavendish, 1st Duke of Devonshire Lady Mary Butler Children Sir Butler Cavendish Wentworth, 2nd Bt. Siblings Lord Henry Cavendish Lord James Cavendish William Cavendish, 2nd Duke of Devonshire Partners Sir John Wentworth, 1st Bt.