- Born on January 21, 1750
- Deceased on October 21, 1830, at the age of 80 years
Parents
- Hugh Percy (c. 1714 - 1786), Duke of Northumberland, privy counsellor, Member of Parliament
- Elizabeth Seymour (1716 - 1776), Baroness Percy
Family
- Married on June 8, 1775, with Isabella Burrell (1750 - 1812), issuing
Occupations
- Member of Parliament for Northumberland (1774 - 1786)
- Member of Parliament for Bere Alston (1780)