Spencer Mildmay St. John

Parents

• Henry St John, 4th Viscount Bolingbroke, 5th Baron St John
• Maria St. John-Mildmay

Children

Siblings

• Isabella Letitia St. John
• Maria Louisa St. John
• Emily Arabella Jane St. John
• Anne Jane Charlotte St. John
• Henry St John, 5th Viscount Bolingbroke, 6th Viscount St John

Partners

• Dora Clutterbuck