Brian O'Neill

Parents

• Catherine O'Neill, Countess of Tyrone
• Hugh O'Neill, Earl of Tyrone

Children

Siblings

• Sarah O'Neill
• Henry O'Neill
• Margaret O'Neill
• Shane O'Neill
• Conn O'Neill
• Ellis MacDonnell, Countess of Antrim
• unknown daughter O'Neill
• Hugh O'Neill, 4th Baron of Dungannon
• Catherine O'Neil