The remains of the Castle can be visited
CastleHagen-Berchum
Berchum Castle

Berchem Castle is first mentioned in 1243 as being in the possession of Dietrich von Berchem. It remained in family ownership until 1450. In 1451, ownership changed hands through marriage to the Lords of Romberg.
Source: berchum.info · Image: http://www.wehrbauten.de/thread.php?threadid=862
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Location: 51.3827, 7.5356