To be privately owned
CastleHammerstein
Claurenburg Castle

The Claurenburg – A Journey Through Time+
History of the Claurenburg+
The Claurenburg was first mentioned in 1556. The builders were the Lords of Cluren.
From Renaissance to Ruin
Originally built as a Renaissance castle, the Claurenburg served as the ancestral seat of the Cluren family for centuries.
Source: Wikipedia · Licence: CC BY-SA 4.0 · Image: http://www.wehrbauten.de/thread.php?threadid=990
This description draws on the facts documented in the linked Wikipedia article; Wikipedia content is licensed under CC BY-SA 4.0. Wording and editing: Mobile History.
Location: 50.4722, 7.3542