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Earl of Onslow


Earl of Onslow

Clandon Park House, the former seat of the Onslow family

Earl of Onslow, of Onslow in the County of Arthur Onslow, who represented Bramber, Sussex and Guildford in the House of Commons. He was the husband of Mary, daughter of Thomas Foote, Lord Mayor of London in 1649, who had been created a Baronet in 1660 (a title which became extinct on his death in 1687). In 1674 Onslow was himself created a Baronet in the Baronetage of England, with the precedence of 1660.

Onslow was succeeded by his son, the second Baronet. He was a prominent politician and served as André George Louis Onslow (1784–1853), was a noted composer, author of thirty string quartets and other works.

His son, the second Earl, represented Rye and Guildford in the House of Commons. He was succeeded by his eldest son, the third Earl. He died without surviving male issue and was succeeded by his great-nephew, the fourth Earl. He was the son George Augustus Cranley Onslow, son of the Hon. Thomas Cranley Onslow, second son of the second Earl. Lord Onslow was a prominent Conservative politician and served as Under-Secretary of State for the Colonies, as Under-Secretary of State for India and as President of the Board of Agriculture and was also Governor of New Zealand. His eldest son, the fifth Earl, was also a Conservative politician. He notably held office as Under-Secretary of State for War and as Paymaster-General during the 1920s.

He was succeeded by his son, the sixth Earl. He served in the Conservative administrations of Winston Churchill, Anthony Eden and Harold Macmillan as Captain of the Yeomen of the Guard (Deputy Chief Whip in the House of Lords) for nine years. From 1971 to 2011, the titles were held by his son, the seventh Earl, who succeeded in 1971. The 7th Earl was one of the ninety elected hereditary peers who remained in the House of Lords after the passing of the House of Lords Act 1999, and sat like his ancestors on the Conservative benches. He is the only hereditary peer to have appeared as a panellist on Have I Got News For You. Upon his death on 14 May 2011,[2] he was succeeded by his elder son, now the 8th Earl.

Another member of the Onslow family was the Conservative politician Sir Richard Onslow, 1st Baronet, was the second son of Lieutenant-General Richard Onslow. See Onslow Baronets of Althain for more information on this branch of the family.

The former family seat is Clandon Park in Surrey.


  • Onslow Baronets (1674) 1
  • Barons Onslow (1716) 2
  • Earls of Onslow (1801) 3
  • Notes 4
  • References 5

Onslow Baronets (1674)

Barons Onslow (1716)

Title passing from father to son, except where noted.

Earls of Onslow (1801)

Title passing from father to son, except where noted.

His heir presumptive would appear to be his father's 4th cousin, Anthony Ernest Edward Onslow (born 1955), a cadet descendant of the 2nd Earl.[3]


  1. ^ The London Gazette: no. 11665. p. 2. 11 May 1776. Retrieved 2007-11-23.
  2. ^ BBC News — Earl of Onslow dies
  3. ^ Descendants of William the Conqueror, 108


  • Kidd, Charles, Williamson, David (editors). Debrett's Peerage and Baronetage (1990 edition). New York: St Martin's Press, 1990,
  • Leigh Rayment's Peerage Pages
  • David Beamish's Peerage Page
  • Vulliamy, C.E. – The Onslow Family 1528–1874 : with some account of their times. – London : Chapman & Hall, 1953
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