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 of Woodstock, 1st Earl of Kent Edward I can be found in Michael Prestwich's biography of the king.<br> Edmund of Woodstock, 1st Earl of Kent Edmund of Woodstock, 1st Earl of Kent (5 August 1301 – 19 March 1330) was the sixth son of Edward I of England, and a younger half-brother of Edward II. Edward I had intended to make substantial grants of land to Edmund, but when the king died in 1307, Edward II failed to follow through on his father's intentions, much due to his favouritism towards Piers Gaveston. Edmund still remained loyal to his brother, and in 1321 he was created Earl