 Eisenbach lay in the "Remigiusland", thereby belonging since its founding to a lordly domain of the Church of Reims, although in ecclesiastical organization, it was subject to the Archbishopric of Mainz.Within regional ecclesiastical organization, the village always belonged to the Church of Theisbergstegen.In the age of the Reformation, all the inhabitants converted in 1534 first to Lutheranism and then in 1588, on Count Palatine Johannes I's orders, from Lutheranism to Calvinism.