Robert The Devil

French  Robert Le Diable,   legendary son of a duke of Normandy, born in answer to prayers addressed to the devil. He uses his immense strength only for crime. Directed by the pope to consult a certain holy hermit, he is delivered from his curse by maintaining absolute silence, feigning madness, taking his food from the mouth of a dog, and provoking ill-treatment from the common people without retaliating.