Hugh O'Neill, Earl of Tyrone Irish earl and military leader (1540–1616) Parents Joan Maguire Matthew O'Neill, 1st Baron Dungannon Children Margaret O'Neill Brian O'Neill Conn O'Neill Catherine O'Neil Sarah O'Neill Henry O'Neill Shane O'Neill unknown daughter O'Neill Hugh O'Neill, 4th Baron of Dungannon Ellis MacDonnell, Countess of Antrim Siblings Art MacBaron O'Neill Brian O'Neill, Baron Dungannon Cormac MacBaron O'Neill Sir Turlough O'Neill, Lord of the Fews Partners Mabel Bagenal Catherine O'Neill, Countess of Tyrone Joan O'Neill unknown daughter O'Neill Siobhan O'Donnell
