Lady Mary O'Brien

Peerage person ID=26125 (1681–1780)

Parents

• Mary Villiers
• William O'Brien, 3rd Earl of Inchiquin

Children

• Elizabeth FitzGerald
• Richard Fitzgerald
• Catherine FitzGerald
• Frances FitzGerald
• Henrietta FitzGerald
• Mary FitzGerald
• William FitzGerald
• George FitzGerald
• Anne FitzGerald
• Lady Margaretta FitzGerald
• James FitzGerald, 1st Duke of Leinster

Siblings

• Lady Henrietta O'Brien
• Charles O'Brien
• James O'Brien
• William O'Brien, 4th Earl of Inchiquin

Partners

• Robert FitzGerald, 19th Earl of Kildare