The "Annals of Tigernach". and the "Annals of the Four Masters". indicate that Mac Murchada was first defeated by a force led by Ruaidhri Ua Conchobair, before Ua Ruairc and Ua Maeleachlainn led a force that included the 'Foreigners of Dublin' and some Leinstermen against Mac Murchada, forcing him to flee. Annals: T1166.3, T1166.13, M1166.13, M1166.14 and M1166.16