The House of Kalckreuth is the name of an ancient and important German noble family that originated in Saxony.
The family was first mentioned in a document on December 16, 1284 with Heinricus dictus de Kalcruthe on Lyce near Dresden .
Conrad von Kalckreuth appears in a document on December 6, 1286.
In early 14th century, several lines appeared that spread widely throughout Silesia, but also in Lusatia, Brandenburg, Mecklenburg and Poland.
Brothers Hans Ernst (1728-1792) and Friedrich Adolf, Count von Kalckreuth, who were raised to the Prussian count status in 1786 , founded the two lines of the comital family.