Portrait of Lady Mary St.John ne Rich and her sister, 1670's

Mezzotint of the two married daughters of Robert Rich, 3rd Earl of Warwick, Lady Anne Barrington (L) and Lady Mary St.John (R).

Lady Mary had married Henry 1st Viscount St.John in 1673 but the relationship was short-lived. She died giving birth to their only child in 1678 and is buried at St. Mary's Lydiard Tregoze. Their son became the controversial statesmen and political philosopher, Henry 1st Viscount Bolingbroke.