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
Francis Radclyffe, 1st Earl of Derwentwater married Lady Mary Tudor, natural daughter of Charles II. Francis Radclyffe, 1st Earl of Derwentwater Francis Radclyffe, 1st Earl of Derwentwater (1625 – April 1697), of Dilston Castle was an English peer and member of the House of Lords. His wife was Catherine Fenwick, daughter of Sir William Fenwick and widow of Henry Lawson. They had five sons and four daughters. He was the eldest son of Sir Edward Radclyffe, 2nd Baronet of Dilston Castle, and his wife Elizabeth Barton. He was created Earl of Derwentwater, Viscount Radclyffe, and Baron Tyndale on 7 March 1688. He was succeeded by his