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).
Edward of Westminster, Prince of Wales Edward of Westminster (13 October 1453 – 4 May 1471), also known as Edward of Lancaster, was the only son of King Henry VI of England and Margaret of Anjou. He was killed at the Battle of Tewkesbury, making him the only heir apparent to the English throne to die in battle.