Sidney Montagu, 11th Duke of Manchester
British peer
About Sidney Montagu, 11th Duke of Manchester
Lived 1929 – 1985 (aged 56).
Sidney Arthur Robin George Drogo "Kim" Montagu, 11th Duke of Manchester (5 February 1929 – 3 June 1985) was a British hereditary peer, the son of the 10th Duke of Manchester and the elder brother of the 12th Duke.
Personal life He married firstly on 5 February 1955 Adrienne Valerie Christie (d. 1988), daughter of Commander John Kenneth Christie, Ambassador of South Africa in Kenya; later Karawater farmer, near Ruigtevlei, Cape Town, South Africa. They divorced in 1978. He married secondly on 25 August 1978 Andrea Joss, daughter of Cecil Alexander Joss of Johannesburg, South Africa (d. 21 January 1996), who had previously been married twice, to Major S. Whitehead and to G. J. W. Kent. He had no children from either marriage.
In 1983, the Duke sued his stepmother, Elizabeth, who he believed had possession of several family heirlooms that he felt were rightfully his.
The Duke died suddenly at Robin Hood Ranch, Tennessee, United States, on 3 June 1985. His funeral took place on 13 June and he is buried at Kimbolton Parish Church.
Duke of Manchester Sidney inherited the dukedom upon his father's (Alexander Montagu) death in 1977. He held this title for eight years, until his own death in 1985. As he died childless, he was succeeded by his brother Angus Montagu, who became the 12th Duke of Manchester and he is the father of the current duke, Alexander Charles David Drogo Montagu, the 13th Duke of Manchester.
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Frequently asked questions
Who was Sidney Montagu, 11th Duke of Manchester?
British peer (1929-1985)
When was Sidney Montagu, 11th Duke of Manchester born?
Sidney Montagu, 11th Duke of Manchester was born on 5 February 1929 in Kimbolton Castle.
When did Sidney Montagu, 11th Duke of Manchester die?
Sidney Montagu, 11th Duke of Manchester died on 3 June 1985 in Ashland City.
Sources & further reading
· Wikipedia: Sidney Montagu, 11th Duke of Manchester
· DBpedia: Sidney Montagu, 11th Duke of Manchester
Cite this page
APA: Biography.guide. (2026). Sidney Montagu, 11th Duke of Manchester. https://biography.guide/sidney-montagu-11th-duke-of-manchester/
MLA: "Sidney Montagu, 11th Duke of Manchester." Biography.guide, https://biography.guide/sidney-montagu-11th-duke-of-manchester/.
Chicago: "Sidney Montagu, 11th Duke of Manchester." Biography.guide. https://biography.guide/sidney-montagu-11th-duke-of-manchester/.
Data last updated: 2026-09-22 · Spot an error? Report a correction.
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