The Duke's subsidiary titles are: Marquess of Hartington (created 1694), Earl of Devonshire (1618), Earl of Burlington (1831), Baron Cavendish of Hardwick (1605) and Baron Cavendish of Keighley (1831). The Duke of Devonshire's eldest son may use the courtesy title Marquess of Hartington. The Marquessate of Hartington, the Earldom of Devonshire and the Barony of Cavendish of Hardwick are in the peerage of England, while the Earldom of Burlington and the Barony of Cavendish of Keighley are in the United Kingdom peerage.
The family name derives from the village of Cavendish, Suffolk, England and from Sir John Cavendish, who held the estate there in the 14th century and who died in the Peasants' Revolt.
William Cavendish's descendants were Earls of Devonshire at first. The dukedom started when William Cavendish, the 4th Earl of Devonshire, was created the 1st Duke of Devonshire in 1694 (see below).
Many of the Dukes of Devonshire have been prominent politicians, including one prime minister, one leader of the Liberal Party, and one Governor-General of Canada.
The Duke of Devonshire holds the subsidiary titles of Marquess of Hartington, Earl of Devonshire, Earl of Burlington, Baron Cavendish of Hardwick, and Baron Cavendish of Keighley.
Despite the title, the family estates center in Derbyshire. It is sometimes speculated that Derbyshire rather than Devonshire was intended on the original letters patent for the earldom, but no hard evidence supports this.
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2 Earls of Devonshire, second Creation (1618) 3 Dukes of Devonshire (1694) |
Earls of Devonshire, first Creation (1603)
Earls of Devonshire, second Creation (1618)
Dukes of Devonshire (1694)