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 Sheffield, 1st Baron Sheffield eventual ransom, yet was fatally struck by a butcher. He was buried at St Martin at Palace, Norwich. Edmund Sheffield, 1st Baron Sheffield Edmund Sheffield, 1st Baron Sheffield, of Butterwick (22 November 1521 – 19 July 1549) was an English nobleman, the son of Sir Robert Sheffield (died 15 November 1531, son of Robert Sheffield and Helen Delves) and his second wife Jane Stanley, daughter of George Stanley, 9th Baron Strange and Joan le Strange, 9th Baroness Strange. Through his mother, he was a second cousin once removed of the reigning English monarch, King Henry VIII. Following his father's death