During this time, the estate belonged to Count Sigmund von Haimhausen, an industrialist, politician and co-founder of the Bavarian Academy of Sciences and Humanities who however died without heirs.

[1][2] During World War II, thousands of books from the Bavarian State Library were housed in the palace chapel.

He created the presently visible exterior and several of the interiors; during the reconstruction the house was also substantially enlarged.

Among the interiors, the banqueting hall on the second floor, the so-called Golden Room and the chapel are especially noteworthy.

The banqueting hall contains a ceiling painting depicting the four seasons, by Johann Georg Bergmüller, and two tile stoves from the Nymphenburg Porcelain Manufactory.