 Probably from fear for the Hungarians, who burned down Gerresheim and its neighboring places nearly completely, the area was for the first time removed around 900 AD to the castle.As a knight's seat it is recorded in 1169 for the first time.Probably around 1300 it came then to the today's substantial development of the attachment with encircling walls up to 1.20 meters thick, four towers with walls up to two meters thick, surrounded by a broad water ditch.