Charles Robert St. John b. 21 November 1807, d. 21 January 1844 (1807–1844) Parents George St John Isabella Charlotte Antoinette Sophia Baronin von Hompesch Children Charles St. John Siblings Henry St John, 4th Viscount Bolingbroke, 5th Baron St John Henry Joseph St. John George Fredrick St. John Robert Barton Isabella St. John Ferdinand St. John George Richard St. John George St. John Edward Barton John Dyson St. John George Barton Charles Barton Antonia St. John Partners Jane Gibson