"Pretender to the English throne" . "John of Powderham"@en . "John Deydras (died 1318), also John of Powderham, was a pretender to the English throne during the reign of Edward II. He was executed by hanging and his body was burnt."@en . "Deydras, John"@en . . . "1318Z"^^ . . "John Deydras"@en . . .