John St John, 12th Baron St John of Bletso

English Baron (1725–1767)

Parents

• Elizabeth St John
• John St John, 11th Baron St John of Bletso

Children

• Henry St John, 13th Baron St John of Bletso
• John Peter St. John
• Mathilda St. John
• Anne St. John
• George St. John
• Elizabeth Barbara St. John
• St Andrew St John, 14th Baron St John of Bletso

Siblings

• Ambrose St. John
• Henry St. John
• Barbara Coventry, Countess of Coventry
• St Andrew St John

Partners

• Susanne Louise Simond