Robert de Boron was a French poet of the late 12th and early 13th centuries, originally from the village of Boron, in the arrondissement of Montbéliard. He was the author of a two surviving poems in octosyllabic verse, "Joseph d'Arimathe" and "Merlin"; "Merlin" survives only in fragments and in later prosification. The two are thought to have been part of a trilogy (or tetralogy) which also contained a verse "Perceval", … Wikipedia
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Despite being famous for his cycle of Arthurian Romances centred around the Holy Grail , next to nothing is known about the Burgundian known as Robert de Boron . His works reveal that he was a poet in the employ of one Gautier, who has been identified as www.earlybritishkingdoms.com/arthur/boron.html