Wulfhall century, when Jane Seymour became the third wife of King Henry VIII. Her son became Edward VI and ruled England from 1547 to 1553. At the beginning of Edward's reign, he was nine years old and his eldest uncle, Edward Seymour, 1st Duke of Somerset, was Lord High Protector of England, while another uncle, Thomas Seymour, 1st Baron Seymour of Sudeley, married Henry VIII's widow, Catherine Parr. Both Edward and Thomas Seymour were eventually executed for treason. Henry VIII stayed at Wulfhall during his royal progress of 1535. This may have been when he first courted Jane Seymour, leading eventually
Duke of Somerset him Marquess of Hertford in 1640 and on 13 September 1660, shortly before his death on 24 October, the title of Duke of Somerset was granted to him as its legitimate heir; following its non-existence for 108 years. He outlived his three eldest sons and as the dukedom descends to heirs male of the holder of the 1547 grant it passed to William Seymour (1654–1671) who was the son of the third son mentioned (lived 1626–1654). The 3rd duke died unmarried and the title passed to John Seymour (bef. 1646–1675) the last surviving son of the 2nd Duke, his uncle.