Kalends of Jan on 1st feria, 21st of the moon, A.D. 1380.
John Ua Domnaill (king of Tir-Conaill) and MaelSechlainn the Black, his son, were slain at the Monastery of Es-ruadh by Toirdelbach, son of Niall Ua Domnaill and by the sons of Cathal Ua Concobhair junior and by the Muinter-Duirnin.
Great defeat was inflicted on the Foreigners and on the Oirthir by Mag Aenghusa (namely, Art). And Ua hAnluain, that is, the king of Oirthir and many more were slain there.
Tadhg, son of Muircertach Ua Briain, was killed by Brian Ua Briain.
Ruaidhri, son of Aedh Ua Concobuir the Brefnian, came on a night incursion against the Muinter-Ruairc and he himself was slain thereon.
The Mortimer came to Ireland this year and the nobles of the Gaidhil came into his house, headed by the heir of the king of Ireland, namely, by Niall Ua Neill. Art Mag Aenghusa, namely, king of the Ui-Eathach of Ulidia, was taken prisoner in treachery in the house of the Mortimer. And the Gaidhil of Ireland took fear of the latter from that out, so that they and also the Foreigners of Ireland avoided him.
Art, son of Gerald Caemanach was killed by the Foreigners.
Defeat was inflicted by Ua Domnaill and by Henry Ua Neill on Ua Dochartaigh and on Conchobur Ua Domnaill junior and on the Clann-Suibne. And there were taken prisoners therein, in addition to what was slain, John Mac Suibne and Murchadh Mac Suibne, namely, two brothers of the Mac Suibne.
Art, son of Gerald, son of Thomas the Fair, was killed by Mac Murchadha, king of Leinster.
A hosting by
Art Mac Murchadha died on the 6th of the Kalends of June May 27.
Domnall Ua Leanain, prior of Lisgabail, died on the 6th of the Kalends of April March 27.