Arthur Hill-Trevor, 2nd Viscount of Dungannon (1763-1837) (1763–1837) Parents Letitia Morres Arthur Trevor Children Arthur Hill-Trevor, 3rd Viscount Dungannon Charles Henry Hill-Trevor Siblings Charlotte MacDonnell, Countess of Antrim Anne Katherine Mac Donnell, Countess of Antrim Lady Letitia Mary MacDonnell Partners Charlotte Fitzroy