Anne Woodville of Kent, due to her death in 1489. The marriage produced one son: In 1483, the Woodville family fortunes took a downward spiral with the death of King Edward IV in April. Anne's sister, Elizabeth, as the mother of the new young king Edward V, became the Queen Mother; however, in June 1483, her marriage to the late King was judged to have been invalid because Edward had allegedly been pre-contracted to Lady Eleanor Talbot. King Edward IV's younger brother Richard, Duke of Gloucester and Lord Protector, claimed the crown for himself on 22 June; this claim was supported by
Catherine Woodville, Duchess of Buckingham was married to Henry Stafford, 2nd Duke of Buckingham; both were still children. A contemporary description of Elizabeth Woodville's coronation relates that Catherine and her husband were carried on squires' shoulders due to their youth. According to Dominic Mancini, Buckingham resented his marriage to a woman of inferior birth. However, the couple had four children: In 1483, Buckingham first allied himself to Richard, Duke of Gloucester, helping him succeed to the throne as Richard III, and then to Henry Tudor, leading an unsuccessful rebellion in his name. Buckingham was executed for treason on 2 November 1483. After Richard III was