House of Tudor ruled their domains for just over a century. Henry VIII was the only son of Henry VII to live to the age of maturity. Issues around the royal succession (including marriage and the succession rights of women) became major political themes during the Tudor era. The House of Stuart, descended from Henry VII's daughter Margaret, came to power in 1603 when Elizabeth I died and the Tudor line failed. For analysis of politics, diplomacy and social history, see Tudor period. The Tudors descended on Henry VII's mother's side from John Beaufort, 1st Earl of Somerset, one of the illegitimate children
Union of the Crowns Union of the Crowns The Union of the Crowns (; ) was the accession of James VI of Scotland to the thrones of England and Ireland, and the consequential unification for some purposes (such as overseas diplomacy) of the three realms under a single monarch on 24 March 1603. The Union of Crowns followed the death of Elizabeth I of England, the last monarch of the Tudor dynasty, who was James's unmarried and childless first cousin twice removed. The Union was a personal or dynastic union, with the Crown of Scotland remaining both distinct and separate—despite James's best efforts to