Margaret Mary Petre

Parents

• William Petre, 12th Baron Petre
• Mary Theresa Clifford

Children

Siblings

• Katherine Mary Lucy Petre
• Eleanor Mary Petre
• Bernard Henry Philip Petre, 14th Baron Petre
• Philip Benedict Joseph Petre, 15th Baron Petre
• Theresa Mary Louisa Petre
• William Petre, 13th Baron Petre
• Frances Mary Petre
• Isabella Mary Petre
• Joseph Lucius Henry Petre
• Monica Mary Petre
• Mary Winifrede Petre