Thomas Vaughan (died 1483) Thomas Vaughan (died 1483) Sir Thomas Vaughan (c. 1410 – June 1483) was a Welsh statesman and diplomat, who rose to prominence before and during the Wars of the Roses. He began as an adherent of Jasper Tudor and King Henry VI of England, and was appointed to several offices by Henry. He was nonetheless a Yorkist by inclination, as were many Welshmen of the time. After the Yorkist victory in 1461 he became a loyal and important servant of King Edward IV. In 1483, he was executed by Richard III as part of his seizure of the throne. Vaughan
Edward IV of England of Warwick, due primarily to his marriage. Warwick, acting on Edward's behalf, made preliminary arrangements with King Louis XI of France for Edward to marry either Louis' daughter Anne or his sister-in-law Bona of Savoy. He was humiliated and enraged to discover that, while he was negotiating, Edward had secretly married Elizabeth Woodville, the widow of John Grey of Groby, on 1 May 1464. Edward's marriage to Elizabeth Woodville has been criticised as an impulsive action that did not add anything to the security of England or the York dynasty. A horrified Privy Council told him with unusual frankness, when