Rowland St John Member of the Parliament of England (1588–1645) Parents Oliver St John, 3rd Baron St John of Bletso Dorothy Read Children Elizabeth St. John Sir Oliver St. John, 1st Bt. Siblings Alexander St John Henry St. John Oliver St John, 1st Earl of Bolingbroke Beauchamp St John Dorothy St. John Sir Alexander St. John Anne St. John Agnes St. John Anthony St John Partners Sybella Vaughan