- Born on January 26, 1739
- Deceased on January 30, 1817 in Woodstock, at Blenheim Palace, at the age of 78 years
- Burial on February 7, 1817
Parents
- Charles Spencer (1706 - 1758), Duke of Marlborough, lord Privy Seal, master-general of the Ordnance
- Elizabeth Trevor (1708 - 1761)
Family
- Married on August 23, 1762, with Caroline Russel (1743 - 1811), issuing
- George (1766 - 1840)
Anne (1773 - 1865)- Francis Spencer
- Elizabeth
- Charotte
- Caroline
- Anne
- Amelia Sophia
- Henry John
- Francis (1779 - 1845)
Occupations
- privy councillor
- lord chamberlain
- lord-lieutenant of Oxfordshire