Echthighern mac Cennétig
Echthighern mac Cennétig , also spelled "Echthigern" , ( died 950 ) was a son of Cennétig mac Lorcáin ( king of Thomond ) and brother of Mathgamain ( King of Munster ) and Brian Boru ( High King of Ireland ) of the Dál gCais dynasty , in early medieval Ireland . 
<triplet> Echthighern mac Cennétig <subj> Cennétig mac Lorcáin <obj> father <triplet> Cennétig mac Lorcáin <subj> Echthighern mac Cennétig <obj> child <subj> Mathgamain <obj> child <subj> Brian Boru <obj> child <triplet> Mathgamain <subj> Cennétig mac Lorcáin <obj> father <triplet> Brian Boru <subj> Cennétig mac Lorcáin <obj> father <subj> High King of Ireland <obj> position held <subj> Dál gCais <obj> family