Elizabeth Stafford, Countess of Sussex Elizabeth Stafford, Countess of Sussex Elizabeth Stafford (c. 1479 – 11 May 1532) was an English noblewoman. Elizabeth Stafford was the daughter of Henry Stafford, 2nd Duke of Buckingham, and Lady Katherine Woodville, the daughter of Richard Woodville, 1st Earl Rivers, by Jacquetta of Luxembourg, daughter of Pierre de Luxembourg, Count of St. Pol, and was thus a niece of Elizabeth Woodville, queen consort to King Edward IV. By her father's marriage to Katherine Woodville, Elizabeth Stafford had two brothers, Edward Stafford, 3rd Duke of Buckingham, and Henry Stafford, 1st Earl of Wiltshire, and a sister, Anne, who married firstly,
Elizabeth Woodville offered the throne and became King Richard III. Edward V, who was no longer king, and his brother Richard, Duke of York, remained in the Tower of London. There are no recorded sightings of them after the summer of 1483. Now referred to as Dame Elizabeth Grey, she and the Duke of Buckingham (a former close ally of Richard III and now probably seeking the throne for himself) now allied themselves with Lady Margaret Stanley (née Beaufort) and espoused the cause of Margaret's son Henry Tudor, a great-great-great-grandson of King Edward III, the closest male heir of the Lancastrian claim