The person who was king of England when William de Botreaux, 1st Baron Botreaux died was born on what date?
William de Botreaux, 1st Baron Botreaux William de Botreaux (1337–1391) (pronounced "But'ry") (alt. “Bottreaux, Boterel etc.) was a prominent English West-Country baron during the reigns of King Edward III (1327-1377) and King Richard II (1377-1399).
Richard Neville, 16th Earl of Warwick Richard Neville, 16th Earl of Warwick (22 November 1428 – 14 April 1471), known as Warwick the Kingmaker, was an English nobleman, administrator, and military commander. The son of Richard Neville, 5th Earl of Salisbury, Warwick was the wealthiest and most powerful English peer of his age, with political connections that went beyond the country's borders. One of the leaders in the Wars of the Roses, originally on the Yorkist side but later switching to the Lancastrian side, he was instrumental in the deposition of two kings, a fact which later earned him his epithet of "Kingmaker" to later generations.