According to legend, the once mighty fortress from the early 12th century was founded by two brothers, both robber barons. The history of this old frontier fortress is, at least from the beginning of the 13th century, closely linked to that of the Schottwien market.
It is assumed that Schottwien already existed as a fortified independent place at the time when Styria fell to Austria for the first time under Duke Leopold the Virtuous (1192), although the name was first mentioned half a century later.
From the 12th to the 15th century, however, the lords of Chlamme sat, as a powerful and influential family, undefeated and unconquered on the rock castle, to which the whole area was subservient and subordinate, which is why the old chroniclers held their firm seat ars invicibilis, called. This changed, of course, when in 1487 the Hungarian king Matthias Corvinus,
after conquering Vienna and the "always loyal" Neustadt, he also threw his armies in front of the mansions loyal to the emperor in the southern East Mark, whereby under the last gorge with Schottwien fell into the hands of the enemy after a stormy siege. Stone balls walled in in the gorge are still a reminder of this siege.