time is not mentioned. The King of Aidne, Mael son of Duí had been killed by Vikings that year Death of the Tainist of Connacht The death of Cathal's heir is mentioned in the annals in 923. According to The Annals of Ulster this was Máel Cluiche who was treacherously killed, however his death is mentioned in 913 in this annal. The Annals of the Four Masters give his heir the name Indrechtach and state he was another son of Conchobar. This same Indrechtach was found operating a fleet with the men of Meath on Loch Derg clearing out the Munster fleet from the Shannon. Death and succession Cathal died in 925 in penitence. Cathal was succeed on his death by his son Tadg in Túir (died 956), who was succeeded in his turn by Fergal ua Ruairc (died 967) of the rising Uí Briúin Bréifne branch of the Uí Briúin. Notes References Annals of Ulster at at University College Cork Annals of the Four Masters at at University College Cork Chronicum Scotorum at at University College Cork Byrne, Francis John (2001), Irish Kings and High-Kings, Dublin: Four Courts Press, Ó Corráin, Donnchad (1972), Ireland Before the Normans, Dublin: Gill and Macmillan External links CELT: Corpus of Electronic Texts at University College Cork Kings of Connacht 925 deaths People from County Roscommon O'Conor dynasty Year of birth unknown 10th-century kings of Connacht