Elizabeth of York take Richard with him, so the boy could reside in the Tower and keep his brother Edward company. Elizabeth Woodville, under duress, eventually agreed. Two months later, on 22 June 1483, Edward IV's marriage was declared invalid. It was claimed that Edward IV had, at the time of his marriage to Elizabeth Woodville, already been betrothed to Lady Eleanor Butler. Parliament issued a bill, "Titulus Regius" ("The Title of the King"), in support of this position. This measure legally bastardised the children of Edward IV, made them ineligible for the succession, and declared Gloucester the rightful king, with the right
Elizabeth Woodville a battle of wills that finally resulted in Warwick switching allegiance to the Lancastrian cause, and to the execution of Elizabeth's father Richard Woodville in 1469. After the death of her husband in 1483 Elizabeth remained politically influential even after her son, briefly proclaimed King Edward V of England, was deposed by her brother-in-law, Richard III, and she would play an important role in securing the accession of Henry VII to the throne in 1485, which ended the Wars of the Roses. After 1485, although her daughter Elizabeth of York married Henry VII and became the mother of Henry VIII,