Geoffrey of Monmouth

Geoffrey of Monmouth, ?1095-1155, was a monk and a scholar who is best known by historians now for his Historia Regnum Britanniae, which provides a "history of Britain, from its first settlement by Brutus of Troy, a descendent of Trojan her Aeneas, to the death of Cadwaladr in the 7th century, covering Julius Caesar's invasions of britain, Kings Leir and Cymbeline, and one of the earliest developed narratives of King Arthur" (Wikipedia, 6 October 2022).