Sir Robert O'Brien, 4th Baronet

(1901-1952) (1901–1952)

Parents

• Gundrerde de Trafford
• Sir Tim O'Brien, 3rd Baronet

Children

• Patricia O'Brien
• Shaunagh O'Brien
• Sheelagh O'Brien

Siblings

• Kathleen O'Brien
• Doreen O'Brien
• Hilda O'Brien
• Ursula O'Brien
• Mariquita O'Brien
• Gundrede O'Brien
• Timothy O'Brien
• Sicele O'Brien
• Eileen O'Brien

Partners

• Esther Coghill