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
Edmund Tudor, 1st Earl of Richmond their teaching. Edmund, along with his brother and father were taken into Henry's royal household. Henry was seemingly fond of his half brothers, and ennobled each of them with Edmund becoming Earl of Richmond on 15 December 1449 and Jasper, Earl of Pembroke on 23 November 1452. As Earls, and recognised by court as the King's half brothers, Edmund and Jasper had unparalleled precedence over the other laypersons in court with the exception of the Dukes. They were each given lands, although Jasper received a yearly stipend until Pembroke became available. After seven years of marriage to Margaret of Anjou,