Robert Hampden-Trevor, 1st Viscount Hampden

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Robert Hampden-Trevor, 1st Viscount Hampden (17 February 1706 – 22 August 1783) was a British diplomat at The Hague and then joint Postmaster General.


He was the eldest son of the second marriage of John Trevor and studied at Queens College, Oxford, graduating in 1725 and then becoming a fellow of All Souls College, Oxford.

In 1729, he was appointed as a clerk in the Secretary of State's office. In 1734 he went to the United Provinces as secretary to the embassy under Horatio Walpole. He succeeded as head of the embassy in 1739, initially as Envoy-Extraordinary, and from 1741 as Minister-Plenipotentiary. During this time, he maintained a regular correspondence with Horace Walpole.

IN 1750 he was appointed a commissioner of the Revenue in Ireland. He took the additional name of Hampden in 1754, on succeeding to the estates of that family, from John Hampden. In 1776, twelve years after he had succeeding his brother as Baron Trevor, he was created Viscount Hampden.

From 1759 to 1765 he was joint Postmaster General. He wrote some Latin poems which were published at Parma in 1792 as Poemata Hampdeniana. His second son, John Hampden-Trevor (1749–1824), died only three weeks after he had succeeded his brother Thomas as 3rd Viscount Hampden, the titles becoming extinct.


  • William Carr, "Trevor, Robert Hampden-, first Viscount Hampden (1706–1783)", rev. Martyn J. Powell, Oxford Dictionary of National Biography, (Oxford University Press, 2004; online edn, Jan 2008) [1], accessed 10 Aug 2008.
  • Public Domain This article incorporates text from a publication now in the public domainChisholm, Hugh, ed. (1911). "article name needed". Encyclopædia Britannica (11th ed.). Cambridge University Press. 
Diplomatic posts
Preceded by
Horatio Walpole
British Ambassador to the United Provinces
Succeeded by
The Earl of Sandwich
Government offices
Preceded by
The Earl of Leicester
Everard Fawkener
Postmaster General of the United Kingdom
with The Earl of Bessborough (1759–1762)
The Earl of Egmont (1762–1763)
The Lord Hyde (1763–1765)
Succeeded by
The Lord Grantham
The Earl of Bessborough
Peerage of Great Britain
New creation Viscount Hampden
1st creation
Succeeded by
Thomas Hampden-Trevor
Preceded by
John Trevor
Baron Trevor
2nd creation