Paternal Family Tree: Dál Riata
On 29th June 430 [his son] Fergus Mór aka Great mac Eirc King of Dál Riata was born to Erc .
In or before 474 Erc died.
In or before 474 Erc was appointed King of Dál Riata.
[his son] Loarn mac Eirc King of Dál Riata was born to Erc .