sentences:  It is likely that Castle Petersheim owes its beginnings to this emergency situation.If it did not exist before 1258, then it might have been founded between 1258 and 1260 and tasked with protecting the upper Ohmbach valley and the local villages from a raid.The castle, which was later expanded to a moated castle complex, was surely a well chosen and well fortified strong point from which the roads could be observed and the area secured and defended.