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,
English wine cask units denote its contents. The unit was also known as a "tertian" (from the Latin word for "third"). Of comparable size to the beer hogshead, the wine hogshead was equal to half a butt or a quarter of a tun. Closely related to the modern oil barrel, the tierce was half a puncheon, a third of a butt or a sixth of a tun. The wine barrel was half a wine hogshead or an eighth of a tun. The rundlet was a seventh of a butt or a fourteenth of a tun. Originally, the tun was defined as 256 wine gallons;