Eachtach
Eachtach ( Ireland ) was the daughter of Diarmuid Ua Duibhne and Gráinne . 
<triplet> Eachtach <subj> Diarmuid Ua Duibhne <obj> father <subj> Gráinne <obj> mother <triplet> Diarmuid Ua Duibhne <subj> Eachtach <obj> child <subj> Gráinne <obj> spouse