Oberhausen Palace

The Ludwigsgalerie is also located in the palace:
In an ambitious, alternating exhibition program, the LUDWIGGALERIE is presenting loans from all over the world in the spacious rooms of the neoclassical palace complex under three main questions.
ludwiggalerie.de/de/museum/ludwig-galerie-schloss-oberhausen

Oberhausen Castle is a classical palace complex in the Alt-Oberhausen-Mitte district of Oberhausen. The property gave the name to the nearby train station, which was built in 1846 and opened in 1847, and thus to the later town of Oberhausen.

A predecessor plant from the 12./13. Century was about 200 meters away from the current location and has now completely disappeared. After the property passed from the von Dücker family via the von der Hovens to the von Boenen family at the beginning of the 17th century, a new palace for Maximilian Friedrich von Westerholt- Gysenberg and his wife Friederike Karoline von Bretzenheim.

After severe damage in the Second World War, the manor house was rebuilt in the late 1950s according to old original plans. With the Ludwig Gallery, it now houses an internationally renowned art museum; the castle park with its leisure activities is a popular destination for the people of Oberhausen. Since the beginning of 2011, the buildings and the park have been a stop on the theme route Oberhausen: Industry makes the city of the route of industrial culture under the name "Schloss Oberhausen und Kaisergarten".
Source: Wikipedia

You can find out more about the castle and its inhabitants at:
ludwiggalerie.de/de/museum/schloss-oberhausen