Saint Sidronius
Saint Sidronius was a Roman martyr. His life is confused with a French saint of the same name. His feast date is 8 September or 11 July.
Church
The village of Saint-Cydroine in the commune of Laroche-Saint-Cydroine near Sens in Yonne, France, is named after the saint.It is said that Sidronius was martyred here by the Romans, and a spring here with miraculous powers was a place of pilgrimage in the Middle Ages.
The Saint Cydroine Church is an 11th- or 12th-century Romanesque church with an octagonal tower in the village dedicated to the saint.
It was founded by the abbey of La Charité-sur-Loire.