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).
John of Eltham, Earl of Cornwall John of Eltham, 1st Earl of Cornwall (15 August 1316 – 13 September 1336) was the second son of king Edward II of England and his queen Isabella of France. He was heir to the English throne from the date of the abdication of his father (25 January 1327) to the birth of his nephew Edward, the Black Prince (15 June 1330).