Nielsen Hayden genealogy
Descendants of Lorcan mac Lachtnai
Father: Lachtnae mac Cuircc
Lorcan mac Lachtnai
   └─ CennĂ©tig mac Lorcain, King of Thomond ( - 951)
    Be Binn ingen Aurchada
       └─ 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)