Mary Pakenham (1749-1775) (1749–1775) Parents Thomas Pakenham, 1st Baron Longford Elizabeth Pakenham, 1st Countess of Longford Children Elizabeth Fortescue Chichester Fortescue Anna Maria Fortescue Siblings Helena Pakenham Thomas Pakenham Frances Pakenham Edward Pakenham, 2nd Baron Longford William Pakenham Robert Pakenham Partners Thomas Fortescue