House of Tudor Richmond on 15 December 1449 and was married to Lady Margaret Beaufort, the great-granddaughter of John of Gaunt, the progenitor of the house of Lancaster; Jasper became the first Earl of Pembroke on 23 November 1452. Edmund died on 3 November 1456. On 28 January 1457, his widow Margaret, who had just attained her fourteenth birthday, gave birth to a son, Henry Tudor, at her brother-in-law's Pembroke Castle. Henry Tudor, the future Henry VII, spent his childhood at Raglan Castle, the home of William Herbert, 1st Earl of Pembroke, a leading Yorkist. Following the murder of Henry VI and death
Earl of Richmond fiefs in Norman England. The 1st Earl of Richmond was the Breton warrior Alan Rufus (c. 1040–1093). He was related to both the Duke of Normandy and the Duke of Brittany. He was a grandson of Duke Geoffrey of Brittany and Hawise of Normandy and the second son of Odo, Count of Penthièvre. He most probably took part in William the Conqueror's invasion of England, after which he obtained grants of land in various parts of England, including manors formerly held by Earl Edwin in Yorkshire. Alan Rufus would be the first of as many as four brothers to constitute