Duke of Clarence of King Edward IV, in 1461. The Duke forfeited his title in 1478, after he had been convicted of treason against his brother. He allegedly met his end (according to William Shakespeare) by being drowned in a butt of Malmsey. A fourth creation in England was suggested and planned to take effect; the title of Duke of Clarence was going to be given to Lord Guilford Dudley, husband of Lady Jane Grey, upon her coronation, as she declined to make her husband king consort. However, she was deposed before this could take effect. Two double dukedoms, of Clarence and St
Otto III, Duke of Brunswick-Lüneburg heir because his only son had already drowned as a child in the River Ilmenau. Otto had the following children from his marriage to Matilda of Mecklenburg (1293–1358), daughter of Henry II, Lord of Mecklenburg: Otto III, Duke of Brunswick-Lüneburg Otto III, Duke of Brunswick-Lüneburg ( 1296 – 19 August 1352) was Prince of Lüneburg from 1330 to 1352. Otto was born about 1296 as the second son of Otto the Strict and his wife Matilda of Bavaria, and was introduced to the business of government by his father as early as 1314. The stipulation by his father in 1315