Thomas Vaughan (died 1483) to the Duke of Burgundy in 1468. In 1475, on the same day that Edward's eldest son, the future Edward V, was invested as Prince of Wales, Vaughan was knighted, having acted for some years as Chamberlain to the young prince. In 1478, he was elected to parliament as knight of the shire for Cornwall. After Edward IV died in 1483, Vaughan was accompanying Edward V from Ludlow to London when the party was intercepted by the future King Richard III, then Duke of Gloucester. Richard had Vaughan arrested and executed along with Anthony Woodville, 2nd Earl Rivers and tutor
Edward Woodville, Lord Scales executed Anthony Woodville and proclaimed himself king. He made a number of attempts to extradite the Tudor faction, but the Duke resisted the pressure. Edward returned to England with Henry in 1485 and fought at the Battle of Bosworth. Under Henry VII he was appointed as Lord of the Isle of Wight in the first year of the new king's reign. He was also given command of Porchester Castle again, along with Carisbrooke Castle. By this time he was being called "Lord Scales", coming from his brother's wife, Elizabeth de Scales, whose lands had been bequeathed to him, but which