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
Anne Woodville an Act of Parliament known as "Titulus Regius" which declared King Edward V and his siblings illegitimate. Elizabeth, now styled as Dame Grey, was forced to seek sanctuary with her daughters, while her two sons, the "Princes in the Tower" were kept in the Tower of London by the orders of King Richard III. On 25 June 1483, King Richard also ordered the executions of Anne and Elizabeth's brother Anthony Woodville, Earl Rivers, and Richard Grey who was Elizabeth's younger son by her first marriage to Sir John Grey of Groby. Anne Woodville, Viscountess Bourchier, died on 30 July 1489,