Brut y Tywysogion [SEP] language of work or name
Brut y Tywysogion
Brut y Tywysogion (), also known as Brut y Tywysogyon, is one of the most important primary sources for Welsh history. It is an annalistic chronicle that serves as a continuation of Geoffrey of Monmouth’s "Historia Regum Britanniae". "Brut y Tywysogion" has survived as several Welsh translations of an original Latin version, which has not itself survived. The most important versions are the one in Robert Vaughan's MS. 20 and the slightly less complete one in the Red Book of Hergest.
until after the synod of Kells. The Annals of the Four Masters record that Kells ("Ceanannus") was burned in 1143 and three times in 1144.
Several versions of the "Brut y Tywysogion" record that an Óttar based in Dublin, and described as the "son of the other Óttar," was active fighting as a mercenary in Wales in 1144. This Óttar was either the king or, possibly, a son of the same name. The expedition to Wales was intended to support Cadwaladr ap Gruffydd