It is one of the most important secular buildings in Schleswig-Holstein, and has been rebuilt and expanded several times in its over eight hundred years of history, changing from a medieval castle to a Renaissance fortress to a Baroque palace.
[1] It is the ancestral home of the Holstein-Gottorp branch of the House of Oldenburg, from which emerged in the 18th century, among other things, four Swedish kings and several Russian Emperors.
The Danish Duke of Schleswig acquired it through a purchase in 1268, and in 1340 it was transferred to the Count of Holstein at Rendsburg of the House of Schauenburg.
After the ducal lineage of Gottorp were forced to move out in 1702, the palace, now occupied by the Danish, fell into disuse and disrepair in 1713 under the reign of Frederick IV of Denmark.
Pieces of furniture, art and other interior were gradually moved out of the palace, and the structures were used both as Danish and Prussian barracks in the 19th century.