[1][2] Brian's son launched a second expedition into Osraige again in 1031, in which he was again defeated by Mac Gilla Pátraic.
[5] In 1039, Donnchadh led a combined force of Ossorians and the Leinstermen, raiding and burning as far as Knowth and Drogheda.
[6] The Annals of Tigernach eulogize him as "overking of Leinster and Ossory, champion of Ireland".
[7] A daughter of Gilla Pátraic was Aífe, mother of Diarmait mac Máel na mBó, King of Leinster (died 1072).
This biography of a member of an Irish royal house is a stub.