House of Tudor Owen Tudor, the first man to use the surname, was a direct 8th. generation descendent of Llewelyn the Great and Joan (daughter of King John ). Owen worked within the household of Queen Catherine, widow of Henry V ; Owen and Catherine married in 1429. Their first son, Edmund, was made 13th. Earl of Richmond in 1453, married Margaret Beaufort (great-granddaughter of John of Gaunt ) in 1455. Edmund and Margaret had one son, Henry, who would become King Henry VII .
King Henry V of England married Catherine of Valois.on this day 2nd June, 1420 Supposedly Henry fell deeply in love with Catherine after his great victory at Agincourt. The marriage however was short lived and the two saw little of each other. Henry returned to France to wage war and died within two years of marrying Catherine, never seeing the child she became pregnant with (Henry VI). Catherine went on to have an affair with her Welsh servant, Owen Tudor with whom she had Edmund Tudor
Jasper Tudor son of Owen Tudor and Katherine of Valois (widow of Henry V) and half brother of Henry VI. Brother of Edmund Tudor (father of the future Henry VII). Jasper played a major role on behalf of the Lancastians in the Wars of the Roses and was with his nephew Henry Tudor in exile in Brittany. He married during Henry VII's reign, but had no legitimate heir.