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
Alan, 1st Earl of Richmond 1135/6, his Breton lands were inherited by his eldest son, Geoffrey Boterel II, whereas his English lands, the Honour of Richmond, went to Alan. During the Anarchy, Geoffrey supported the dispossessed Empress Matilda and her husband Geoffrey of Anjou, while Alan allied with King Stephen. Alan married Bertha of Brittany, daughter of Conan III, Duke of Brittany, in a politically arranged marriage, perhaps in a move to draw Brittany onto Stephen's side in the conflict against Empress Matilda. In part to promote the alliance with Conan III of Brittany. Stephen created Alan 1st Earl of Richmond. Additionally, Stephen recognized Alan