22 Sept: Sons of Ernéne of Inis Mac n-Ernín/ #Inchmacnerin, "island of the sons of Éirín", Church Island, Lough Key, #Roscommon. Founded by St Columba? Associated with Annals of Loch Cé @britishlibrary.bsky.social (cover events, mainly in Connacht/neighbouring regions 1014-1590). 📷4h4 #medievalsky