A mythic Trojan descendant and legendary founder of Britain, whose journey mirrors those of heroes like Aeneas and establishes connections with ancient civilizations.

Two brothers and sons of a Cornish king, known for their initial rivalry over the kingdom and later joint military successes, including capturing Rome.

A Roman senator of mixed British and Roman descent, who becomes a British ruler and pursues overseas conquests, leaving the homeland vulnerable.

A legendary figure introduced by Geoffrey, depicted as a prophetic and engineering genius, involved in several significant events, including the birth of Arthur.

A storied king and central figure described in Geoffrey's narrative, renowned for his military prowess and noble qualities, whose reign marks a peak in British legend.

The last British king before Saxon rule, remembered for presiding over a period of decline brought on by illness and external attacks.