In the 17th century, the castle was owned by various families: Bohussin von Zwolle und Güldenstein, who purchased it from emperor Rudolf II in 1600,[1][2] and later the barons of Sießwohl.
[1] Subsequently, in 1702, their heirs sold the castle to the Saxon General and minister count Heinrich Jakob von Flemming.
[2] Between 1716 and 1720, Hoym constructed a garden palace on the opposite of the Klodnica river, inspired by Versailles, but it soon burned down.
After his death, a monumental tomb made of cast iron with the Hohenlohe family's motto was built in the park.
[2] His son, August, Prince of Hohenlohe-Öhringen (1784-1853) rebuilt the palace in 1827, when the old mansion burned down after being hit by a lightning strike.
[3][2] The son of August, Hugo zu Hohenlohe-Öhringen (1816-1897) received the title of Duke of Ujest at the coronation of William I as King of Prussia in 1861.
Schloss Slawentzitz with its park and greenhouses were severely damaged in the fights with the Red Army in January 1945.
Along with some two dozen similar incidents, the attack was manufactured by Germany as a casus belli to justify the invasion of Poland.