Oliver St John, 5th Baron St John of Bletso English Baron (1603–1642) Parents Elizabeth Paulet Oliver St John, 1st Earl of Bolingbroke Children Dorothy St. John unknown daughter St. John unknown daughter St. John Elizabeth St.John Siblings Sir Paulet St. John Lady Elizabeth St. John Lady Barbara St. John Francis St. John Dorothy St. John Anthony St. John Partners Lady Arabella Egerton