Edward St Maur, 12th Duke of Somerset

Edward Adolphus St Maur, 12th Duke of Somerset, (20 December 180428 November 1885), styled Lord Seymour until 1855, was a British Whig aristocrat and politician, who served in various cabinet positions in the mid-19th century, including that of First Lord of the Admiralty.

Background and education Somerset was the eldest son of Edward St Maur, 11th Duke of Somerset, and Lady Charlotte, daughter of Archibald Hamilton, 9th Duke of Hamilton. He was baptized on 16 February 1805 at St. George's, Hanover Square, London. He was educated at Eton and Christ Church, Oxford.

He owned 25,000 acres, mostly in Devon, Somerset and Wiltshire.

Political career Somerset sat as Member of Parliament as Lord Seymour and for Totnes between 1834 and 1855. He served under Lord Melbourne as a Lord of the Treasury between 1835 and 1839, as Joint Secretary to the Board of Control between 1839 and 1841 and as Under-Secretary of State for the Home Department between June and August 1841 and was a member of Lord John Russell's first administration as First Commissioner of Woods and Forests between 1849 and 1851, when the office was abolished. He served on the Royal Commission on the British Museum (1847–49). In August 1851 he was appointed to the newly created office of First Commissioner of Works by Russell. In October of the same year, he entered the cabinet and was sworn of the Privy Council. He remained First Commissioner of Works until the government fell in February 1852.

Somerset succeeded his father in the dukedom in 1855 and entered the House of Lords. He did not serve in Lord Palmerston's first administration, but when Palmerston became Prime Minister for the second time in 1859, Somerset was appointed First Lord of the Admiralty, with a seat in the cabinet. and in 1863 he was created Earl St. Maur, of Berry Pomeroy in the County of Devon. "St. Maur" was supposed to have been the original form of the family name and "Seymour" a later corruption. From some time in the early 19th century until 1923, "St. Maur" was used as the family name, but since 1923 the dukes have again used the familiar "Seymour".

Somerset was also the author of Christian Theology and Modern Scepticism (1872), and Monarchy and Democracy (1880).

Family Somerset married in Grosvenor Square, London, on 10 June 1830, Jane Georgiana Sheridan, who was the "Queen of Beauty" at the Eglinton Tournament of 1839. who had two illegitimate children by his maid, Rosina Swan. Lady Helen Guendolen Seymour (14 November 184614 August 1910) she married Sir John William Ramsden, 5th Baronet on 2 August 1865. They had four children. Lady Guendolen Ramsden inherited the Bulstrode estate.

Her Grace died on 14 December 1884. The Duke of Somerset survived her by less than a year and died on 28 November 1885, aged 80, and was buried with her in St James's Churchyard at Gerrards Cross, Buckinghamshire. As his two sons both died in his lifetime, the family titles (except the Earldom of St. Maur, which became extinct) devolved on his younger brother, Archibald Seymour, 13th Duke of Somerset.

The 12th Duke left his London residence, Somerset House in Park Lane, to his eldest daughter Lady Hermione Graham.

Ancestry