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
Tudors of Penmynydd (1645-1669), died without issue and his immediate heiress was his daughter Margaret Owen Theodor, wife of Coningsby Williams of Glan-y-gor, and after her childless death Penmynydd passed through was her aunt, Mary Owen Theodor, wife of Rowland Bulkeley of Porthamel, to their son Francis, whose dissolute ways forced him to sell the inheritance to a Bulkeley cousin. Tudors of Penmynydd The Tudors of Penmynydd (in Welsh: "Tuduriaid Penmynydd") were the senior line of a noble and aristocratic family, connected with the village of Penmynydd in Anglesey, North Wales, who were very influential in Welsh (and later English) politics. From this