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 his brother, Jasper, were made advisers to the King as they were his remaining blood relatives. The brothers were made the senior earls in the royal court and had influential positions in the Parliament of England. Edmund was also granted Baynard's Castle, London and ran a successful estate. He was married to Margaret Beaufort, Countess of Richmond and Derby, after her first marriage was annulled. Prior to the start of the Wars of the Roses, Edmund liaised with Richard of York and supported him when the King fell ill during 1453 and 1454. After war began in 1455, York sent