HomeSaint-Martin-du-FrêneDumez Sébastien🥐Dumez Sébastien🥐 Bakery · Saint-Martin-du-Frêne Frequently asked questions 🤔Where is Dumez Sébastien? At 15 Grande Rue, 01430 Saint-Martin-du-Frêne. What kind of food does Dumez Sébastien serve? Dumez Sébastien is listed under Bakery. How can I contact Dumez Sébastien? By phone at +33474757377. Follow them on social media 📲FacebookDumez SébastienUpdated on 9 November 2026