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
Charles Seymour, 6th Duke of Somerset to the dukedom created for and forfeited by his own great-grandfather, Edward Seymour, 1st Duke of Somerset (executed 1552). Three years later, in 1678, Charles's brother, the 5th duke, was murdered in Italy, aged 20, unmarried and without progeny, having been shot at the door of his inn at Lerice. The 16-year-old Charles Seymour became the 6th duke and the 4th Baron Seymour of Trowbridge. In 1682, at the age of 20 he married a great heiress, the 15-year-old Lady Elizabeth Percy (1667–1722), daughter and sole heiress of Joceline Percy, 11th Earl of Northumberland (1644–1670), who brought him immense estates,