At the turn of the 15th and 16th centuries, Duchcov became the seat of the estate owners, the Kaplíř of Sulevice family, and in the 16th century, the Lobkowicz family acquired Duchcov.
Duchcov served as the seat for estate owners, primarily the Kaplíř family from Sulevice, during the transition between the 15th and 16th centuries. In the 16th century, the Lobkowicz family assumed control over Duchcov.