Today, Dec 14, is the feast of Colmán of Ráth/ Cluain Melsigi (Clonmelsh, Carlow), the monastery where Willibrord lived before leading a mission to Frisia; Willibrord is the founder of Echternach & patron of #Luxembourg. Maybe Colmán joined him on his mission?

BNF Latin 9389 f75r (Lion of St Mark)