Bona of Savoy XI. In 1464, Bona was to have been betrothed to Edward IV of England, until his secret marriage to Elizabeth Woodville was revealed. She married Galeazzo Maria Sforza on 9 May 1468. An alliance between the Sforza and the royal house of France had been rumoured from as early as 1460, and "in June 1464 Bona of Savoy was officially offered to Galeazzo by letters from the King of France and the Duke of Savoy." Bona's husband was assassinated, on 26 December 1476 at the age of 32 by three young noblemen on the porch of the cathedral church of
Thomas Vaughan (died 1483) for Edward V. Also arrested was Edward V's half brother Sir Richard Grey the son of Sir John Grey of Groby and the first husband of Elizabeth Woodville. All three were beheaded at Pontefract Castle on 25 June 1483, in West Yorkshire. Vaughan was the second husband of Eleanor Arundel, widow of Sir Thomas Browne, who had likewise been executed in 1460. In Shakespeare's "Richard III", Vaughan's ghost appears to the King on the eve of the Battle of Bosworth. Thomas Vaughan (died 1483) Sir Thomas Vaughan (c. 1410 – June 1483) was a Welsh statesman and diplomat, who rose