Lewis O'Dempsey, 2nd Viscount Clanmalier Irish aristocrat (d. 1683) Parents Owny O'Dempsey Mary Nugent Children Mary O'Dempsey Terence O'Dempsey Maximilian O'Dempsey, 3rd Viscount Clanmalier Siblings Sir Christopher O'Dempsey Partners Martha Itchingham Dorothy Molloy