sentences:  Nonetheless, it is known that mankind was in the Cronenberg area in prehistoric times from the many finds that have been unearthed elsewhere, in neighbouring villages.Discovered long ago in the rural area known as Röhlingstränk south of the village were two columns of a former Roman building, one of which is still in existence and today stands in the yard at an agricultural estate.Cronenberg lay originally in the free Imperial Domain ("Reichsland"), out of which various areas were carved so that Frankish kings could donate them to ecclesiastical lords.