Edward Seymour, Lord Beauchamp Edward Seymour, Lord Beauchamp Edward Seymour, Lord Beauchamp of Hatch (21 September 1561 – 21 July 1612) had a theoretically strong claim to the throne of England through his mother, but whose legitimacy was questioned. He was the son of Edward Seymour, 1st Earl of Hertford (1539–1621), by his wife Lady Catherine Grey (died 1568), younger sister of Lady Jane Grey, "The Nine Day Queen". His grandfather was Edward Seymour, 1st Duke of Somerset (executed 1552), all of whose titles became forfeit on his attainder by Parliament, during the reign of his nephew King Edward VI (1547–1553). His father was
John Seymour, 4th Duke of Somerset John Seymour, 4th Duke of Somerset John Seymour, 4th Duke of Somerset (before 1646 – 29 April 1675) was an English peer and MP. He was the only surviving son of William Seymour, 2nd Duke of Somerset and Lady Frances Devereux and entered Grays Inn in 1666. He succeeded his nephew as the 4th Duke of Somerset in 1671. In 1656 he married Sarah, daughter and co-heiress of Sir Edward Alston and widow of George Grimston. He was elected Member of Parliament for Marlborough in 1661. He died in 1675, childless, and was buried in Salisbury Cathedral. He was succeeded