Seymour family V's visit to England in 1522. The eldest of his ten children was Edward Seymour, 1st Duke of Somerset, the famous Protector in the reign of Edward VI; his third son was Thomas Seymour, Baron Seymour of Sudeley; and his eldest daughter Jane was third wife of King Henry VIII, and mother of Edward VI. The Protector was married twice; and, probably owing to the adultery of his first wife whom he repudiated about 1535, his titles and estates were entailed first on the issue of his second marriage with Anne, daughter of Sir Edward Stanhope. The Protector's eldest surviving
Susan Seymour, Duchess of Somerset Susan Seymour, Duchess of Somerset Susan Margaret Seymour, Duchess of Somerset ("née" Richards Mackinnon, 11 January 1853 – 30 January 1936), who also published as Mrs Algernon St Maur, was a Scottish aristocrat, writer and philanthropist. Susan Mackinnon was the ninth of ten daughters of Charles Mackinnon of Corriechatachan and Henrietta Studd. She married Algernon Seymour, who later became 15th Duke of Somerset, on 5 September 1877, at Forres. The couple had no children. She shared many of her husband's outdoor interests and, under the name Mrs Algernon St Maur, wrote a book "Impressions of a Tenderfoot during a Journey