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
Edward Seymour, 8th Duke of Somerset and wife Elizabeth Somner, daughter of John Somner, of Seend. They had at least five children. In December 1740, his father died and Seymour inherited his manors in Wiltshire and Devon. On 11 September 1744, with the unexpected death of George Seymour, Viscount Beauchamp (1725–1744), the only son of Algernon Seymour, 7th Duke of Somerset, the likelihood emerged of Seymour succeeding his distant cousin as Duke of Somerset and Baron Seymour, as the 7th Duke was then aged sixty, and his wife was past child-bearing age. On 23 November 1750 the Duke died, and Seymour duly succeeded to his titles.