To be privately owned
Dürffenthal Castle

Haus Dürffenthal is a late medieval castle in Zülpich-Ülpenich, Euskirchen district, North Rhine-Westphalia. This listed quarry stone building, once situated in a marshy floodplain along the Rotbach stream, is a two-part moated castle complex dating back to the 14th century.
History+
The knightly noble family of Dürffenthal was first mentioned in a document in 1307, although their ancestors had already endowed tithe rights to St. Martin's Abbey in Cologne. In the 14th century, the Dürffenthals were vassals of the Counts of Jülich, and a chapel was first mentioned during this period. After the family died out, the estate passed to Daniel von und zu Berg at the beginning of the 15th century, whose family also owned Blens Castle, Hausen Castle, and Irnich Castle. In the mid-16th century, Dürffenthal became the main residence of the Berg family. In 1809, the house was sold to Aegidius Thoelen, who in turn transferred it to Andreas Heuser in 1818. In 1834, the castle was included in the matricula of Jülich knightly estates eligible for the Landtag. A discovery was a Roman tomb with an enamel-painted glass bottle from the 3rd century AD in 1904.
Image: http://www.wehrbauten.de/thread.php?threadid=568
Location: 50.6805, 6.6892