Nielsen Hayden genealogy
Descendants of Aurchad mac Murchada, King of Uí Briúin
- 945Father: Murchad mac Máenaig, King of West Connaught ( - 896)
Aurchad mac Murchada, King of Uí Briúin (of West Connacht, Ireland - 945)
   └─ Be Binn ingen Aurchada
    Cennétig mac Lorcain, King of Thomond ( - 951)
       └─ Brian Boru, King of Munster and Ireland ( - 23 Apr 1014 Clontarf, Dublin, Ireland)
        Gormlaith ingen Murchada ( - 1030)
        :   └─ Donnchad mac Briain, King of Munster ( - 1064 Rome) =>
        :    +
        (Unknown wife of Brian Boru)
            + Sitric mac Amlab, King of Dublin ( - 1042)