House of York Warwick himself changed sides, and supported Margaret of Anjou and the king's jealous brother George, Duke of Clarence, in briefly restoring Henry in 1470-71. However, Edward regained his throne, and the House of Lancaster was wiped out with the death of Henry VI himself, in the Tower of London in 1471. In 1478, the continued trouble caused by Clarence led to his execution in the Tower of London; popularly he is thought to have been drowned in a butt of malmsey wine. On Edward's death in 1483, the crown passed to his twelve-year-old son Edward. Edward IV's younger brother Richard,
Hadmar III of Kuenring complete enmity with Duke Frederick, and the forced acceptance of the Altenburg appeal. It became one of the basis for further rebellions in Austria. Hadmar III of Kuenring Hadmar III of Kuenring (born c. 1180 and died 1231) was a medieval Austrian ministerialis from the house of Kuenring and son of the famous Hadmar II of Kuenring, who imprisoned King Richard the Lionheart at Dürnstein castle. He was famously called the 'Hound of Kuenring', alongside his brother, Henry I of Kuenring, for their martial prowess. He, along with his brother, Henry I, took part in the Fifth Crusade with Leopold