Hugh O'Neill, 4th Baron of Dungannon (died 1609) (d. 1609) Parents Siobhan O'Donnell Hugh O'Neill, Earl of Tyrone Children Siblings Sarah O'Neill Margaret O'Neill Conn O'Neill Shane O'Neill Ellis MacDonnell, Countess of Antrim Catherine O'Neil Henry O'Neill unknown daughter O'Neill Margaret O'Neill Brian O'Neill