Isabella Letitia St. John

(born 1816) (b. 1816)

Parents

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

Children

• Emily Isabella St. John Horlock

Siblings

• Spencer Mildmay 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

• Frederick Geldart Webbe Horlock