Kalends of January fifth feria, twenty-ninth of the moon. AD 1131.
A raiding expedition was made by Tairdelbach ua Conchobuir and the province of Connacht into Mumu and they plundered Uí Conaill Gabra.
An army was brought by Conchobor ua Briain and the men of Mumu into Laigin and they took their hostages, and thence into Mide, and they plundered Inis Locha Seimdide, and their horsemen and the horsemen of Connacht met, and the horsemen of Connacht were defeated.