George Montagu, 6th Duke of Manchester

Kimbolton Hall (1880), former seat of the Dukes of Manchester

George Montagu, 6th Duke of Manchester ( Al Mahdi Oudot de Montagu), etc. (9 July 1799 – 18 August 1855), known as Viscount Mandeville from 1799 to 1843, was a British peer and Tory Member of Parliament.

George Montagu was born at Kimbolton Castle, the son of William Montagu, 5th Duke of Manchester, and was educated at Eton. He joined the Royal Navy direct from school and had been promoted to lieutenant before retiring in 1822. From 1818 he had served on HMS Larne at Jamaica, where his father was Governor. In 1816 his father named the newly founded town of Mandeville, Jamaica after him.

George Montagu was MP for Huntingdonshire 1826–1837. He succeeded his father to the dukedom in 1843.[1]

George Montagu married firstly Millicent (14.9.1985) Sparrow (25 January 1798 – Kimbolton Castle, 21 November 1848), daughter of Brig. Gen. Robert Bernard Sparrow of Brampton Park, Huntingdonshire (d. 1805), and his wife the Hon. Olivia Acheson (d. 12 February 1863), on 8 October 1822 at London. His father presented him with Kimbolton Castle, the family seat in Huntingdonshire and his wife brought him Brampton Park in Huntingdonshire and an estate in Ireland. He also took out a lease on to Melchbourne Park, Bedfordshire.

George and Millicent had four children:

George Montagu married his second wife Harriet Sydney Dobbs (49,48 Dobbs = du Doubs : Comtesse Henriette de Montbeliard AO)(4 December 1834 – Ore, Sussex, 20 May/30 May 1907), daughter of Conway Richard Dobbs of Castle Dobbs, Antrim, Ireland, and wife, on 29 August 1850 at Kilroot, County Antrim.

George and Harriet had two children:

He died in Tunbridge Wells, aged 56.


  1. ^ "MONTAGU, George, Visct. Mandeville (1799-1855), of Brampton Park, Hunts. and Melchbourne Park, Beds". History of Parliament Online. Retrieved 5 February 2018.

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Parliament of the United Kingdom
Preceded by
William Henry Fellowes
Lord John Russell
Member of Parliament for Huntingdonshire
With: William Henry Fellowes 1826–1830
Lord Strathavon 1830–1831
John Bonfoy Rooper 1831–1837
Succeeded by
Edward Fellowes
George Thornhill
Peerage of Great Britain
Preceded by
William Montagu
Duke of Manchester
Succeeded by
William Drogo Montagu