Question: Who is the grandchild of Dúnchad Muirisci?
Sentence (from "Indrechtach mac Dúnchado"): In revenge the northern Ui Neill under Fergal mac Máele Dúin of the Cenél nEógain; Fergal mac Loingsig of the Cenél Conaill; and Conall Menn of the Cenél Coirpri defeated and slew Indrechtach in 707.
Relevant evidence: No