Nielsen Hayden genealogy
Descendants of Cennétig mac Lorcain, King of Thomond
- 951Father: Lorcan mac Lachtnai
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)
    :   
    :        + Diarmait mac Mael na mBó, King of Leinster and High King of Ireland ( - 6 Feb 1072)
    (Unknown wife of Brian Boru)
       └─ Slani ingen Briain
        Sitric mac Amlab, King of Dublin ( - 1042)
            + Máelcorcre ingen Dúnlaing