In 1576 the castle was already known as the "desolate Veste Gillingberg". A year later it came to Anna von Mollart. Around 1590 her son Jakob Freiherr von Mollart had …
In 1978 Dr. Martin Wolfer the already badly neglected building. Together with his wife he restored and revitalized the castle. It still serves as the family's summer home today. The …
Grünau was first mentioned in a document in 1311. The castle and estate have been owned by the Noe-Nordberg family since the middle of the 19th century.