John Spencer
John was born on December 19th, 1734.  He died at the age of 48 on October 31st, 1783.

 Georgiana Poyntz
Georgiana was born in 1737.  She died at the age of 77 on March 18th, 1814.

 Georgiana Spencer
Georgiana was born in 1757.  She died at the age of 49 on March 30th, 1806.

 George John Spencer
George John was born in 1758.  He died at the age of 76 in 1834.