Erc of Dalriada
Eochaid Muinremuir's son
Erc was king of Irish Dál Riata from 439 until 474, succeeding Eochaid Muinremuir. He was the father of three sons: Fergus Mór, Loarn and Oengus. He also may have been the great-grandfather of Muirchertach mac Muiredaig. Wikipedia
Died: 474 AD
Parents: Eochaid Muinremuir
Great grandchildren: Gabrán mac Domangairt, Comgall mac Domangairt, and Eochaid mac Muiredaich
Children: Fergus Mór
Grandchildren: Domangart Réti and Muiredach mac Loairn