Chagnoald of Laon

Chagnoald of Laon was the brother of Saint Faro, bishop of Meaux, and of Saint Burgundofara, founder of the convent of Faremoûtiers. He became a monk at Luxeuil as a disciple of Saint Columbanus and followed him to Bobbio in Italy, where he helped to found the monastery. He later became the sixth bishop of Laon in France. He reposed around 633 (635 in other accounts). He is a saint of the undivided Church, venerated in the West.

His commemoration falls on 6 September (new calendar); the Churches on the Old Calendar keep the same day of the Menaion on 19 September of the civil calendar.