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
House of Tudor Catholicism, and wrote a new will repudiating the 1544 will of Henry VIII. This gave the throne to his cousin Lady Jane Grey, the granddaughter of Henry VIII's sister Mary Tudor, who, after the death of Louis XII of France in 1515 had married Henry VIII's favourite Charles Brandon, the first Duke of Suffolk. Lady Jane's mother was Lady Frances Brandon, the daughter of Suffolk and Princess Mary. Northumberland married Jane to his youngest son Guildford Dudley, allowing himself to get the most out of a necessary Protestant succession. Most of Edward's council signed the "Devise for the Succession", and