To be privately owned
CastleEnnigerloh-Westkirchen
Dieck Castle

Haus Dieck is a historic castle in Ennigerloh-Westkirchen in the Warendorf district, situated on a former moated island.
History+
The origins of Haus Dieck date back to 1276, when it was owned by Conrad de Dyke. The current manor house, resting on a cellar plinth, was built in 1771. It features a three-sided central risalit and a mansard hip roof. The weather-exposed sides are constructed from solid, plastered quarry stone, the east and garden sides are made of plastered half-timbering.
Source: Wikipedia · Licence: CC BY-SA 4.0 · Image: http://www.zeche.org/
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: 51.8883, 8.0406