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
Thomas Stanley, 1st Earl of Derby Alice Montagu, daughter and heiress of Thomas Montagu, 4th Earl of Salisbury. Eleanor died in 1472 and was buried in the Church of St James Garlickhythe in the City of London. By Eleanor he had eleven children, of whom three attained positions of great status: Secondly, shortly before 12 June 1472 he married Lady Margaret Beaufort, (1441/3-1509), daughter of John Beaufort, 1st Duke of Somerset (c.1403-1444), KG, a legitimised descendant of John of Gaunt (1340-1399) (third surviving son of King Edward III) by his mistress Katherine Swynford. Lady Margaret Beaufort was the widow successively of Edmund Tudor, Earl of Richmond