George Richard St John 4th Viscount St John 3rd Viscount Bolingbroke 1761-1824

On 8th September 1757 [his father] Frederick St John 3rd Viscount St John 2nd Viscount Bolingbroke [aged 24] and [his mother] Diana Spencer Viscountess St John and Bolingbroke [aged 23] were married. She by marriage Viscountess St John, Viscountess Bolingbroke. She the daughter of [his grandfather] Charles Spencer 3rd Duke of Marlborough [aged 50] and [his grandmother] Elizabeth Trevor Duchess of Marlborough [aged 44].

On 5th March 1761 George Richard St John 4th Viscount St John 3rd Viscount Bolingbroke was born to Frederick St John 3rd Viscount St John 2nd Viscount Bolingbroke [aged 28] and Diana Spencer Viscountess St John and Bolingbroke [aged 26].

On 12th March 1768 [his step-father] Topham Beauclerk [aged 28] and [his mother] Diana Spencer Viscountess St John and Bolingbroke [aged 33] were married. She the daughter of [his grandfather] Charles Spencer 3rd Duke of Marlborough and [his grandmother] Elizabeth Trevor Duchess of Marlborough.

On 26th February 1783 George Richard St John 4th Viscount St John 3rd Viscount Bolingbroke [aged 21] and Charlotte Collins were married.

After 1786 George Richard St John 4th Viscount St John 3rd Viscount Bolingbroke [aged 24] commenced a relationship with his maternal half-sister Mary Day Beauclerk [aged 19]. They had a child together that was passed off as a child of his and his wifes to avoid scandal. In 1788 Mary Day Beauclerk became pregnant again after which George Richard St John 4th Viscount St John 3rd Viscount Bolingbroke left his family to live with Mary Day Beauclerk in obscurity on the continent.

On 6th March 1786 [his son] Henry St John 4th Viscount Bolingbroke 5th Viscount St John was born to George Richard St John 4th Viscount St John 3rd Viscount Bolingbroke [aged 25] and [his wife] Charlotte Collins. He married 1812 Maria St John-Mildmay Viscountess Bolingbroke and St John, daughter of Henry Paulet St John-Mildmay 3rd Baronet and Jane Mildmay Lady St-John Mildmay, and had issue.

On 5th May 1787 [his father] Frederick St John 3rd Viscount St John 2nd Viscount Bolingbroke [aged 54] died. His son George [aged 26] succeeded 4th Viscount St John, 3rd Viscount Bolingbroke, 7th Baronet St John Lydiard Tregoze in Wiltshire.

by May 1794 George Richard St John 4th Viscount St John 3rd Viscount Bolingbroke [aged 33] had abandoned [his half-sister] Mary Day Beauclerk [aged 27] for a Belgian noblewoman [his future wife] Isabella Charlotte Hompesch Baroness von Hompesch [aged 18] who he subsequently married bigamously.

In 1803 [his wife] Charlotte Collins died.

On 1st August 1804 George Richard St John 4th Viscount St John 3rd Viscount Bolingbroke [aged 43] and Isabella Charlotte Hompesch Baroness von Hompesch [aged 28] were married at Trinity Church, New York.

On 16th October 1804 [his son] Ferdinand St John was born to George Richard St John 4th Viscount St John 3rd Viscount Bolingbroke [aged 43] and [his wife] Isabella Charlotte Hompesch Baroness von Hompesch [aged 28].

On 1st August 1808 [his mother] Diana Spencer Viscountess St John and Bolingbroke [aged 74] died.

In 1812 [his son] Henry St John 4th Viscount Bolingbroke 5th Viscount St John [aged 25] and [his daughter-in-law] Maria St John-Mildmay Viscountess Bolingbroke and St John [aged 21] were married at St George's Church, Hanover Square.

On 11th December 1824 George Richard St John 4th Viscount St John 3rd Viscount Bolingbroke [aged 63] died at Pisa. His son Henry [aged 38] succeeded 5th Viscount St John, 4th Viscount Bolingbroke, 8th Baronet St John Lydiard Tregoze in Wiltshire. Maria St John-Mildmay Viscountess Bolingbroke and St John [aged 34] by marriage Viscountess St John, Viscountess Bolingbroke.

In 1848 [his former wife] Isabella Charlotte Hompesch Baroness von Hompesch [aged 72] died.