Henry O'Brien, 5th Earl of Thomond

Irish earl (1588–1639)

Parents

• Donogh O'Brien, 4th Earl of Thomond
• Lady Elizabeth FitzGerald

Children

• Lady Mary O'Brien
• Lady Elizabeth O'Brien
• Lady Margaret O'Brien
• Lady Honora O'Brien
• Lady Anne O'Brien

Siblings

• Barnabas O'Brien, 6th Earl of Thomond
• Teige O'Brien
• Margaret O'Brien

Partners

• Mary Brereton