Please answer the following question: Facts: - alt: a blue robes , with long flowing hair and a short circular beard . medieval miniature , showing a man in - other names: john of powderham - known for: a royal pretender - caption: deydras shown here in a contemporary picture . was said to uncannily resemble edward ii , - death date: 1318 - name: john deydras - nationality: english - image: edward ii of england1.jpg - death place: oxford , england . - occupation: clerk Based on these bullet points, write a short biography describing the life of john deydras .
Answer:
john deydras -lrb- died 1318 -rrb- , 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 .