House of Tudor House of Tudor The House of Tudor was an English royal house of Welsh origin, descended in the male line from the Tudors of Penmynydd. Tudor monarchs ruled the Kingdom of England and its realms, including their ancestral Wales and the Lordship of Ireland (later the Kingdom of Ireland) from 1485 until 1603, with five monarchs in that period. The Tudors succeeded the House of Plantagenet as rulers of the Kingdom of England, and were succeeded by the House of Stuart. The first Tudor monarch, Henry VII of England, descended through his mother from a legitimised branch of the English
House of Tudor of his son, Edward, in 1471, Henry became the person upon whom the Lancastrian cause rested. Concerned for his young nephew's life, Jasper Tudor took Henry to Brittany for safety. Lady Margaret remained in England and remarried, living quietly while advancing the Lancastrian (and her son's) cause. Capitalizing on the growing unpopularity of Richard III (King of England from 1483), she was able to forge an alliance with discontented Yorkists in support of her son. Two years after Richard III was crowned, Henry and Jasper sailed from the mouth of the Seine to the Milford Haven Waterway and defeated Richard