To be privately owned
CastleSonneborn
Yellow Castle Sonneborn

The Yellow Castle in Sonneborn+
The Yellow Castle in Sonneborn was owned by the von Wangenheim family, who were dispossessed and imprisoned by the communists in 1945.
History of the Yellow Castle+
The Yellow Castle in Sonneborn is a historic building whose origins date back to the Middle Ages.
Source: Wikipedia · Licence: CC BY-SA 4.0 · Image: http://www.wehrbauten.de/thread.php?threadid=589&sid=9b2b210ff3d27b7a80b9c70dbb4777c0
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: 50.9916, 10.5883