Gurgustius () was a legendary king of the

Britons British people or Britons, also known colloquially as Brits, are the citizens of the United Kingdom, the British Overseas Territories, and the Crown dependencies.: British nationality law governs modern British citizenship and nationality, w ...

as accounted by

Geoffrey of Monmouth Geoffrey of Monmouth (; ; ) was a Catholic cleric from Monmouth, Wales, and one of the major figures in the development of British historiography and the popularity of tales of King Arthur. He is best known for his chronicle '' The History of ...

. He came to power in 788BC. He was the son of King Rivallo and was succeeded by his own son Sisillius I, and then Jago, who was Gurgustius' nephew (or possibly his grandson). Geoffrey has nothing to say of him beyond this.Geoffrey of Monmouth: ''The History of the Kings of Britain : an Edition and Translation of De Gestis Britonum (Historia Regum Britanniae)'', Boydell & Brewer, 1 Jan 2007, p.44.

Relation to Jago

In the , Gurgustius is succeeded by his son Sisillius, who in turn is succeeded by Jago. The Latin text describes Jago as "". This is generally interpreted as meaning "Jago, Gurgustius's nephew", but could mean "Jago, Gurgustius's grandson" instead. Examples of the latter interpretation include the Black Book of Basingwerk (where Jago is Sisillius's son) and Michael A. Faletra's 2007 translation, which calls him "Iago, the grandson of Gurgustius".

Later tradition

The '' Book of Baglan'' (1600–1607) gives Gurgustius' name as Gorwst, and states that his second son, Antonius, was

Duke of Cornwall Duke of Cornwall () is a title in the Peerage of England, traditionally held by the eldest son of the reigning Monarchy of the United Kingdom, British monarch, previously the English monarch. The Duchy of Cornwall was the first duchy created i ...

References

{{Geoffrey of Monmouth Legendary British kings