Thomas FitzMaurice, 12th Baron of Kerry and Lixnaw

Parents

• Patrick FitzMaurice, 10th Baron of Kerry and Lixnaw
• Slany O'Brien

Children

Siblings

• Aine O'Brien
• Sawney O'Brien
• Margaret O'Brien
• Donogh O'Brien
• Connor O'Brien
• Murtough O'Brien
• Edmond FitzMaurice, 11th Baron of Kerry and Lixnaw
• Sir Terlough O'Brien
• Penelope O'Brien