Historia regum Britanniae (The History of the Kings of Britain), originally called De gestis Britonum (On the Deeds of the Britons), is a pseudohistorical...

He was introduced in Geoffrey of Monmouth's pseudohistorical Historia Regum Britanniae as King Arthur's brother-in-law, who serves as regent of Britain...

History of the Kings of Britain (Latin: De gestis Britonum or Historia Regum Britanniae) which was widely popular in its day, being translated into other...

Britons, as recounted in Geoffrey of Monmouth's pseudohistory Historia Regum Britanniae (c. 1136). Later estimations from the dates given in the text...

Innogen is a character in the Historia Regum Britanniae and subsequent medieval British pseudo-history. She was said to have been a Greek princess, the...

written down in the 12th century by Geoffrey of Monmouth in his Historia Regum Britanniae (History of the Kings of Britain), and Geoffrey's account of the...

appears in Geoffrey of Monmouth's pseudohistorical chronicle Historia Regum Britanniae (c. 1136). According to Geoffrey, Hafren is the eponym of the...

known chiefly through Geoffrey of Monmouth's pseudohistorical Historia Regum Britanniae and previous manuscript sources such as the Life of Carantoc....

and a legitimate son of King Lot in the pseudo-historical work Historia Regum Britanniae, which then served as the basis for the following evolution of...

Gesta is fundamentally a versification of Geoffrey of Monmouth's Historia Regum Britanniae in Latin epic hexameters. It retains Geoffrey's overall sequence...

Geoffrey of Monmouth's fanciful and imaginative 12th-century Historia Regum Britanniae (History of the Kings of Britain). Geoffrey depicted Arthur as...

given by the 12th-century chronicler Geoffrey of Monmouth in his Historia Regum Britanniae. Some have suggested that attributing the origin of 'Britain'...

later English mythology. According to Geoffrey of Monmouth's Historia Regum Britanniae ("The History of The Kings of Britain", 12th century), he was...

Latin Historia Regum Britanniae. About 60 versions survive, with the earliest dating to the mid-13th century. Adaptations of Geoffrey's Historia were extremely...

following Geoffrey of Monmouth's influential but largely fictional Historia Regum Britanniae. Historians propose a variety of possible sources for the myth...

later in the semi-mythological histories of the Historia Brittonum and the Historia Regum Britanniae. Though a popular cautionary tale in medieval Europe...

Cornwall), or before his brother Dionotus as Caradocus in the Historia Regum Britanniae, while the Book of Baglan only keeps Gorlois, but gives him an...

derives predominantly from Geoffrey of Monmouth's circa 1136 work Historia Regum Britanniae ("the History of the Kings of Britain"). Geoffrey constructed...

Anglicised as Ambrose Aurelian and called Aurelius Ambrosius in the Historia Regum Britanniae and elsewhere) was a war leader of the Romano-British who won...

Arthur. The 12th-century Catholic cleric Geoffrey of Monmouth's Historia Regum Britanniae (History of the Kings of Britain), widely popular in its day,...

Aquitaine around the year 1000 BCE in Geoffrey of Monmouth's Historia Regum Britanniae (c. 1136). In the story, he was defeated by Brutus of Troy and...

Monmouth included Constantine in his pseudohistorical chronicle Historia Regum Britanniae, adding details to Gildas' account and making Constantine the...

to Bede's Historia Ecclesiastica de Gentis Anglorum , are Geoffrey of Monmouth's Historia Regum Britanniae, Henry of Huntingdon's Historia Anglorum, The...

opposition to his father's Saxon allies. In Geoffrey of Monmouth's Historia Regum Britanniae, he overthrows his father and reigns as King of Britain for a...

genealogies Geoffrey of Monmouth, Historia Regum Britanniae 3.20, 4.1-11 Acton Griscom (1929), The Historiae Regum Britanniae of Geoffrey of Monmouth Catuvellauni...

Myrddin Emrys). When Geoffrey included Merlin in his next work, Historia Regum Britanniae (c. 1136), he supplemented his characterisation of Merlin by attributing...

is the same Peredur. Geoffrey of Monmouth, the author of the Historia Regum Britanniae, mentions a Peredur in his Vita Merlini (The Life of Merlin),...

Cassivellaunus appears in Geoffrey of Monmouth's 12th century work Historia Regum Britanniae (History of the Kings of Britain), usually spelled Cassibelanus...

versions, particularly those derived from Geoffrey of Monmouth's Historia Regum Britanniae, became known in Wales. The Gwyar (meaning "gore" or "spilled...

Genuissa), according to Geoffrey of Monmouth's 12th century Historia Regum Britanniae, was a daughter of the Roman Emperor Claudius, whom he gave in...