Edward Seymour, 1st Earl of Hertford Edward Seymour, 1st Earl of Hertford Edward Seymour, 1st Earl of Hertford, 1st Baron Beauchamp, KG (22 May 1539 – 6 April 1621), of Wulfhall and Tottenham House in Great Bedwyn, Wiltshire, of Hatch Beauchamp in Somerset, of Netley Abbey, Hampshire, and of Hertford House, Cannon Row in Westminster, is most noted for incurring the displeasure of Queen Elizabeth I by more than one clandestine marriage. He was the eldest son of Edward Seymour, 1st Duke of Somerset (c.1500–1552), brother of Queen Jane Seymour, uncle of King Edward VI and Lord Protector of England, by his second wife Anne Stanhope
Algernon Seymour, 7th Duke of Somerset and granddaughter of Thomas Thynne, 1st Viscount Weymouth. This Thomas Thynne was the first cousin of "Tom of ten thousand", who had been the second husband of Algernon's own mother, Elizabeth. Somerset and Frances had two children: Algernon died in 1750 and was buried in the Northumberland Vault, within Westminster Abbey. He was one of the richest landowners in England, but as he died with no surviving son his estates were split after his death. The ducal title passed to a distant cousin, Edward Seymour, 8th Duke of Somerset. The earldom of Northumberland and most of the traditional Percy estates