Kalends of Jan. (on 2nd feria, 16th of the moon,) A.D. 1252.
A hot summer in this year.
The castle of Narrow-Water was built by Fitz Maurice. The castle of Magh-Cobha was built by him (namely, Fitz Gerald) also.
Mael-Moedoic Ua Beollain, successor of St. Colum-cille in Druim-cliabh, the superior of greatest substance and of most distinguished hospitality and of greatest esteem and honour by Foreigners and by Gaidhil of any that was during his own time in Ireland, rested in Christ.
Aedh Mac Cathmhail died.
Conchobur Mac Cathmhail, royal chief of Cenel-Feradhaigh and of many territories besides, tower of hospitality and valour of the North of Ireland, peace-maker of Cenel-Conaill and Cenel-Eogain and the Airghialla, was killed by the routs of Brian Ua Neill, whilst he was defending his protection against them and he himself was under the safeguard of Ua Gailmredhaigh and of Ua Cathain.
Conchobur Ua Dochartaigh, chief of Ard-midhair for a time, died.
(The Justiciary of Ireland came with a great host to Ard-Macha and therefrom into Ui-Eathach and from here backwards to Cluain-Fiacna. And Brian Ua Neill gave full submission to him then and delivered his own brother, that is, Ruaighri Ua Neill, as a hostage to them.)