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
Tudor Watches an external case back to increase the volume of the alarm. In 1970, Tudor released its first Chronograph, the Oysterdate, with a manually-wound Valjoux mechanical calibre 7734 and a cam mechanism chronograph function. The second series, introduced in 1971, was nicknamed the “Montecarlo” because the dials on this model are reminiscent of a casino roulette wheel. The third series, the Oysterdate “Big Block”, were the first Tudor chronographs to introduce a self-winding movement in 1976. The Tudor Monarch collection was launched in 1991, and the Tudor Hydronaut in 1999. In 2009, Tudor instigated a major brand relaunch with new product