Kalends of January
. AD 838.
Mael Gaimrid, an excellent scribe and anchorite, and abbot of Bennchor, rested.
Colmán son of Robartach, abbot of Sláine, Aedán abbot of Ros Cré, Cormac son of Conall, superior of Treóit, Mael Ruanaid son of Cathasach, prior of Lusca, died.
Cumascach son of Congalach, king of Cianachta, dies.
Muiredach son of Echaid, king of Conchobor's Province, was killed by his own kinsmen, i.e. by Aed and Aengus, and many others.
Cennétig son of Congalach, king of Uí Moccu Uais of Brega, was deceitfully killed by his own kinsman, i.e. Céile.
Crunnmael son of Fiannamail, steward of Dairmag, was killed by Mael Sechnaill, son of Mael Ruanaid.
A raiding party of the foreigners were on Loch nEchach, and from there they plundered the states and churches of the north of Ireland.
A change of abbots in Ard Macha, i.e. Diarmait grandson of Tigernach, instead of Forannán from Ráith Meic Malais.
The heathens won a battle against the men of Foirtriu, and Eóganán son of Aengus, Bran son of Óengus, Aed son of Boanta, and others almost innumerable fell there.
Ferna and Corcach were burned by the heathens.