Born to the nobility. Benedictine monk. Spiritual student of Saint Remaclus. Worked with Remaclus at Solignac, at Maastricht, Netherlands, and at Stavelot, Belgium. Priest, ordained at by Saint Remaclus. With the assistance of Remaclus and Pepin of Heristal, he founded the Chelles Abbey, diocese of Liege, Belgium. Spent his later years as a hermit near Dinant on the Meuse.
- at Gascony (in modern France)
- c.690 at the monastery of Celles, Namour, Belgium of natural causes
- relics tranferred to the Visé church near Liege, Belgium in 1338
- “Saint Hadelin of Chelles“. CatholicSaints.Info. 2 February 2017. Web. 23 March 2017. <>