- Born on December 29, 1737
- Deceased on April 30, 1831, at the age of 93 years
Parents
- Charles Spencer (1706 - 1758), Duke of Marlborough, lord Privy Seal, master-general of the Ordnance
- Elizabeth Trevor (1708 - 1761)
Family
- Married on March 23, 1756, with Henry Herbert (1734 - 1794), Earl of Pembroke, lord-lieutenant of Wiltshire, governor of Portsmouth, issuing
George Augustus (1759 - 1827)
Occupations
- lady of the Bedchamber to Queen Charlotte