Henry St John, 4th Viscount Bolingbroke

Henry St John, 4th Viscount Bolingbroke (6 March 1786 – 1 October 1851) was the son of George Richard St John, 3rd Viscount Bolingbroke and Charlotte Collins.

Marriage and children
Henry married Maria, daughter of Sir Henry Paulet St John Mildmay in 1812 at St George's, Hanover Square in 1812. The couple had six children - Maria Louisa (b. 1813), Anne Jane Charlotte (b. 1814), Isabella Letitia (b. 1816), Emily Arabella Jane (b. 1817), Henry (b. 1820) and Spencer (b. 1822).

Death
Henry died on 1 October 1851 while visiting his daughter in Elgin. He was buried in the family vault at St Mary's Church in Lydiard Tregoze on 7 October 1851. He was succeeded by his son Henry.