Editing Duke of Devonshire (section)

===The ninth, tenth and eleventh Dukes===
[[Image:GG Duke of Devonshire.jpg|thumb|right|Victor Cavendish, 9th Duke of Devonshire, in uniform as [[Governor General of Canada]] (c.1916-1921)]] 

Devonshire died childless and was succeeded by his nephew, [[Victor Cavendish, 9th Duke of Devonshire|the ninth Duke]]. He was the eldest son of [[Lord Edward Cavendish]], third son of the seventh Duke. He was a [[Conservative Party (UK)|Conservative]] politician and served as [[Governor General of Canada]] from 1916 to 1921 and as [[Secretary of State for the Colonies]] from 1922 to 1924.

His elder son, the tenth Duke, also a Conservative politician, served as [[Under-Secretary of State for Dominion Affairs]], as [[Under-Secretary of State for India and Burma]] and as [[Under-Secretary of State for the Colonies]]. He married [[Mary Cavendish, Duchess of Devonshire|Lady Mary Gascoyne-Cecil]], who was [[Mistress of the Robes]] to [[Queen Elizabeth II]] from 1953 to 1966.{{CN|date=May 2024}} Their elder son and heir apparent [[William Cavendish, Marquess of Hartington]], married [[Kathleen Cavendish, Marchioness of Hartington|Kathleen Kennedy]], daughter of [[Joseph Kennedy]] and sister of the future [[President of the United States]], [[John Fitzgerald Kennedy]]. Lord Hartington was killed in the [[Second World War]] in 1944 shortly after the marriage. The couple had no children.

Devonshire was therefore succeeded by his second and only surviving son, the [[Andrew Cavendish, 11th Duke of Devonshire|eleventh Duke]]. He sat on the Conservative benches in the House of Lords and held political office (under his uncle [[Harold Macmillan]] and later under [[Sir Alec Douglas-Home]]) from 1960 to 1964. Devonshire married the Hon. [[Deborah Cavendish, Duchess of Devonshire|Deborah Mitford]], the youngest of the famous [[Mitford sisters]]. As of 2022, the titles are held by their second and only surviving son, [[Peregrine Cavendish, 12th Duke of Devonshire]], who succeeded in 2004.

The ninth and tenth dukes both served as [[Chancellor (education)|Chancellor]] of the [[University of Leeds]].