Robert the Devil
literary and legendary figure from the Middle Ages

Robert the Devil (Latin: Robertus Diabolus) is a legend of medieval origin about a Norman knight who discovers he is the son of Satan. His mother, despairing of heaven's aid in order to obtain a son, had asked for help from the devil. Robert's satanic instincts propel him into a violent and sinful life, but he eventually overcomes them to achieve repentance.
The story originated in France in the 13th century and has since provided the basis for many literary and dramatic works, most notably the Meyerbeer opera Robert le diable.
Literature and legend
Story
The 19th-century Italian writer Arturo Graf gives this version of the legend in his 1889 book Il Diavolo:There was once a duchess of Normandy who was tormented with a desire to have children and yet could have none. Weary of recommending herself to God, who will not listen to her, she betakes herself to the Devil, and her wish is speedily satisfied. A son is born to her, a veritable firebrand. As an infant, he bites his nurse and tears out her hair; as a lad, he knifes his teachers; at the age of twenty, he becomes a bandit chief. He is dubbed knight, in the belief that thus the wicked instincts raging within him may be overcome; but thereafter he is worse than he was before. No one surpasses him in strength or in courage.
This brief starts where responsible research should: with the source description of “Robert the Devil” as literary and legendary figure from the Middle Ages. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the arts & letters register because the source frames it as literary and legendary figure from the Middle Ages. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Attribution, date and provenance are strongest when supported by the original work, a catalogue record and documented transmission. The source revision retrieved here is dated Sep 14, 2025. The linked authority identifier is Q3436773. None of the 1 selected statements returned an explicit reference. The first chronological checks are 1889.
Rights, attribution and provenance may remain disputed even when a general reference summary presents a stable account. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
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This entry incorporates text from “Robert the Devil” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.