Charles Seymour, 6th Duke of Somerset the pride of birth and rank amounted almost to a disease". Charles was the second son of Charles Seymour, 2nd Baron Seymour of Trowbridge (died 1665), of Marlborough Castle in Wiltshire, by his wife Elizabeth Alington (1635–1692). The 2nd baron was (in a junior line) a great-great-grandson of Edward Seymour, 1st Duke of Somerset (executed 1552), brother of Queen Jane Seymour, uncle of King Edward VI and Lord Protector of England. Charles was educated at Harrow School and Trinity College, Cambridge, where his portrait by Nathaniel Dance-Holland survives in the College's collection. In 1675, Charles's elder brother Francis Seymour, 5th
Edward St Maur, 11th Duke of Somerset Edward St Maur, 11th Duke of Somerset Edward Adolphus St Maur, 11th Duke of Somerset (24 February 1775 – 15 August 1855), styled Lord Seymour until 1793, of Maiden Bradley in Wiltshire and Stover House, Teigngrace, Devon, was a British landowner and amateur mathematician. Seymour was born at Monkton Farleigh in Wiltshire, the son and heir of Webb Seymour, 10th Duke of Somerset (1718-1793) by his wife Mary Bonnell, daughter of John Bonnell, of Stanton Harcourt, Oxfordshire. He was baptised on 4 April 1775 at Monkton Farleigh, with the name of Edward Adolphus Seymour, but later changed it to Edward