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 Tudor Dynasty, and over time generally overtook the use of the title Earl of Richmond. The earldom has not been recreated since. There was a close association with the Duchy of Brittany from the inception of the honours and titles associated with Richmond until the reign of John V. After John V, the English crown ceased to recognize the Breton rulers as Earls of Richmond and the crown frequently assigned the Honour of Richmond to English nobles. In Brittany, the Dukes who succeeded John V continued to use the title Earl of Richmond, or in French, "Comte de Richemont". Francis