Eldest son of Saint Adalbald of Ostrevant and Saint Rictrudis of Marchiennes; brother of Saint Clotsindis of Marchiennes, Saint Eusebia of Hamage, and Saint Adalsindis. Monk at Marchiennes, France. Founded a monastery at Breuil-sur-lys near Douai, France.
- “Saint Maurontius of Douai“. CatholicSaints.Info. 29 April 2015. Web. 25 February 2017. <>