Historia Regum Britanniae
"Brut y Brenhinedd" is the title given to Middle Welsh versions of Geoffrey of Monmouth's "Historia Regum Britanniae". "Brut y Tywysogion" is a continuation of "Historia Regum Britanniae", covering the period of 682 to 1332. The "Brenhinoedd y Saeson" survives in 14th-century manuscripts and covers events from 682 to 1282.