The Most Honourable George Nugent-Temple-Grenville, 1st Marquess of Buckingham, K.G., P.C.
- 1753-1774: George Grenville, Esq.
- 1774-1779: George Grenville, Esq., M.P.
- 1779-1782: The Earl Temple
- 1782-1784: The Earl Temple, P.C.
- 1784-1786: The Marquess of Buckingham, P.C.
- 1786-1813 The Marquess of Buckingham, K.G., P.C.
Changed his surname by Royal Licence to Nugent-Temple-Grenville, 1779
- Lord Lieutenant of Ireland, 1782-1783, 1787-1789
- Secretary of State, 1783
- Lord Lieutenant of Buckinghamshire, 1782-1813
- Teller of the Exchequer, 1764
- Knight of the Garter, 1786
- Privy Councillor, 1782
- Member of Parliament for Buckinghamshire, 1774-1779
Charles James Fox
|Secretary of State|
Marquess of Carmarthen
The Lord Sydney