Margaret O'Brien

d.1636 (1565–1636)

Parents

• Una O'Brien
• Connor O'Brien, 3rd Earl of Thomond

Children

• Elinor Butler
• Theobald Butler
• James Butler
• Edward Butler

Siblings

• Honora O'Brien
• Mary O'Brien
• Teige O'Brien
• Lady Honor O'Brien
• Donogh O'Brien, 4th Earl of Thomond
• Daniel O'Brien, 1st Viscount Clare

Partners

• James Butler, 2nd/12th Baron Dunboyne