Elizabeth Woodville into the most notable families in England. Three of her sisters married the sons of the earls of Kent, Essex and Pembroke. Another sister, Catherine Woodville, married the queen's 11-year-old ward Henry Stafford, 2nd Duke of Buckingham, who later joined Edward IV's brother Richard, Duke of Gloucester, in opposition to the Woodvilles after the death of Edward IV. Elizabeth's 20-year-old brother John married Katherine, Duchess of Norfolk. The Duchess had been widowed three times and was probably in her sixties, which created a scandal at court. Elizabeth's son from her first marriage, Thomas Grey, married Cecily Bonville, 7th Baroness Harington.
Elizabeth Woodville to the throne with any degree of validity. To strengthen his claim and unite the two feuding noble houses, Elizabeth Woodville and Margaret Beaufort agreed that the latter's son should marry the former's eldest daughter, Elizabeth of York, who upon the death of her brothers became the heiress of the House of York. Henry Tudor agreed to this plan and in December 1483 publicly swore an oath to that effect in the cathedral in Rennes, France. A month earlier, an uprising in his favour, led by Buckingham, had been crushed. Richard III's first Parliament of January 1484 stripped Elizabeth of