John Bentinck, 5th Duke of Portland
British politician (1800-1879)

William John Cavendish-Scott-Bentinck, 5th Duke of Portland (17 September 1800 – 6 December 1879), styled Lord John Bentinck before 1824 and Marquess of Titchfield between 1824 and 1854, was a British Army officer and politician best known for his eccentric behaviour. A recluse who preferred to live in seclusion, he had an elaborate underground maze excavated under his estate at Welbeck Abbey near Clumber Park in North Nottinghamshire.
Life
He was born in London, the second son of William Bentinck, 4th Duke of Portland, and his wife Henrietta, daughter of General John Scott. He was baptised at St George's Church, Hanover Square, on 30 September. One of nine children, he was known by his second Christian name, John, as all the male members of the family were named William. He was the brother of Charlotte Denison, future wife of Evelyn Denison, 1st Viscount Ossington.
Cavendish-Scott-Bentinck was educated at home rather than at school. Known as Lord John Bentinck, he served in the army from 1818, entering as an ensign in the Foot Guards and later transferred to the 7th Light Dragoon Guards in 1821, where he became a captain, then the 2nd Life Guards in 1823. He reportedly suffered from lethargy due to his "delicate health".
In 1824, he became known as Marquess of Titchfield following the death of his elder brother William Henry, and was elected Tory member of parliament (MP) to succeed his brother in King's Lynn, a seat traditionally held by a member of his family.
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