Major Henry Somerset, 7th Duke of Beaufort (5 February 1792 – 17 November 1853), styled Earl of Glamorgan until 1803 and Marquess of Worcester between 1803 and 1835,[1] was a British peer, soldier, and politician.

[1] In 1813, Beaufort was returned as Member of Parliament (MP) for the Monmouth Boroughs, as a Tory, and continued to hold the seat until 1831.

[1] In 1835, he successfully contested West Gloucestershire, but left the House when he succeeded as Duke of Beaufort that November.

They had seven children, one son and six daughters: In 1840, Beaufort bought the house at 22 Arlington Street in St. James's, a district of the City of Westminster in central London from John Pratt, 1st Marquess Camden and proceeded to expend enormous sums refurbishing the interior of the house.

Both Beaufort and Harriette Wilson feature as minor characters in Black Ajax by George MacDonald Fraser.