- Born circa 1695
- Deceased on November 26, 1748, at the approximate age of 52 years
Parents
- Henry St John (1652 - 1742), Viscount St John, Member of Parliament
- Angélique Madeleine de Pellissari ( - 1736)
Family
- Married on April 17, 1729, with Anne Furnese ( - 1747), issuing
- Elizabeth (1744 - 1820)
Occupations
- Member of Parliament for Wootton Bassett (1727 - 1734)