Biography:The main contemporary source for Merovingian history.
His most notable work was his "Decem Libri Historiarum" or "Ten Books of Histories", better known as the "Historia Francorum" or "History of the Franks", a title given to it by later chroniclers.
Gregory is also known for his credulous accounts of the miracles of saints, especially four books of the miracles of Martin of Tours.