He was joint ruler with Conall Crandomna until he was defeated and killed by Talorgan son of Eanfrith, king of the Picts, in the Battle of Strathyre.
Rigallán, Ferchar, Artán, Artúr, Dondchad, Domungart, Nechtan, Ném, Crumíne.
[3] However, the Synchronisms of Flann Mainistrech list Dúnchad mac Dubáin as king,[4] while the Duan Albanach associated one Dúngal with Conall.
[5] An alternative reconstruction made Dúnchad a descendant of Áedán mac Gabráin's passed-over brother Eoganán.
[6] He is presumed to have had at least one son, Conall Cáel (died 681),[7] and it is possible that he was the grandfather, or great-grandfather by some readings, of Fiannamail ua Dúnchado and an ancestor of Dúnchad Bec.