:::::* Anne Isabella, who married, as his third wife, Sir Cornwallis Maude, later Viscount Hawarden on 3 June 1777.
Louis Mountbatten, 1st Earl Mountbatten of Burma | Horatio Nelson, 1st Viscount Nelson | Viscount | Herbert Kitchener, 1st Earl Kitchener | Vickers Viscount | Charles Cornwallis, 1st Marquess Cornwallis | 1st United States Congress | Frederick Roberts, 1st Earl Roberts | Bernard Montgomery, 1st Viscount Montgomery of Alamein | William Cecil, 1st Baron Burghley | Robert Harley, 1st Earl of Oxford and Earl Mortimer | George Villiers, 1st Duke of Buckingham | William Howe, 5th Viscount Howe | Thomas Wentworth, 1st Earl of Strafford | William Pitt, 1st Earl of Chatham | viscount | Joseph Lister, 1st Baron Lister | Robert Baden-Powell, 1st Baron Baden-Powell | John Scott, 1st Earl of Eldon | Henry Brougham, 1st Baron Brougham and Vaux | Edward Seymour, 1st Duke of Somerset | Robert, 1st Earl of Gloucester | Guy Carleton, 1st Baron Dorchester | Garnet Wolseley, 1st Viscount Wolseley | Douglas Haig, 1st Earl Haig | Cornwallis | George Monck, 1st Duke of Albemarle | Frederick Schomberg, 1st Duke of Schomberg | Edward Hyde, 1st Earl of Clarendon | Charles Lyttelton, 10th Viscount Cobham |
He was succeeded in the viscountcy by his only son Cornwallis, who was created Earl de Montalt in 1886.