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
House of Tudor rose) and the House of York (whose badge was a white rose). He married Elizabeth of York to bring all factions together. On his marriage, Henry adopted the Tudor Rose badge conjoining the White Rose of York and the Red Rose of Lancaster. It symbolized the Tudor's right to rule as well the uniting of the kingdom after the Wars of the Roses. It was used by every English, then British, monarch since Henry VII as a royal badge. The Tudors also used monograms to denote themselves: As noted above Tewdur or Tudor is derived from the words tud "territory"