Henry St John, 4th Viscount Bolingbroke, 5th Baron St John

British viscount (1786–1851)

Parents

• Charlotte Collins
• George St John

Children

• Spencer Mildmay St. John
• 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

Siblings

• George St. John
• Charles Robert St. John
• Ferdinand St. John
• Isabella St. John
• Antonia St. John
• Henry Joseph St. John
• Charles Barton
• Edward Barton
• George Barton
• Robert Barton
• George Richard St. John
• George Fredrick St. John
• John Dyson St. John

Partners

• Maria St. John-Mildmay