Henrietta O'Neill British poet and patron of the arts (1758–1793) Parents Charles Boyle, Viscount Dungarvan Susanna Brudenell-Bruce, Countess of Ailesbury Children Charles O'Neill, 1st Earl O'Neill John O'Neill, 3rd Viscount O'Neill Siblings Lady Caroline Brudenell-Bruce Charles Bruce Lady Frances Elizabeth Brudenell-Bruce George Bruce-Brudenell, Lord Bruce Charles Brudenell-Bruce, 1st Marquess of Ailesbury Partners John O'Neill, 1st Viscount O'Neill