Nielsen Hayden genealogy
Descendants of Dunlaing Ua Caellaide
Dunlaing Ua Caellaide
Dirborgaill ingen Taidg ( - 1098)
   └─ Finn Ua Caillaide, King of (half of) Osraige
   
       └─ Gormlaith ingen Finn Ua Caellaide
        Loigsech Ua Morda, King of Loigsi ( - 1149)
            + Muirchertach Ua Tuathail, King of the Uí Muirdeaigh ( - 1164)