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 Byng, 6th Earl of Strafford Edmund Byng, 6th Earl of Strafford Edmund Henry Byng, 6th Earl of Strafford (27 January 1862 – 24 December 1951), styled Viscount Enfield between 1899 and 1918, of Wrotham Park in the parish of South Mimms, Middlesex (later in Hertfordshire) and 5, St James's Square, London, was an English peer. He was the second son (the first having died in infancy) of Reverend Francis Byng, 5th Earl of Strafford (1835-1918) by his wife Florence Louisa Miles (1840–1862), a daughter of Sir William Miles, 1st Baronet, who died giving birth to him. He was a County Alderman in Middlesex and Hertfordshire.