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 large monetary grants from the King, while Edmund was also given property in Westmorland and Lancashire. Edmund ran a profitable estate and invested in the wool industry based out of Boston, Lincolnshire. The King also granted him the medieval palace of Baynard's Castle, near to the Thames river in London. Edmund was given the wardship of the nine-year-old Margaret Beaufort, Countess of Richmond and Derby, daughter of John Beaufort, 1st Duke of Somerset on 24 March 1453. She was the only heir of Beaufort and a kinswoman of the King. She had descended from the House of Lancaster through the