The lordship contained Korschenbroich and the Castle of Myllendonk. From 1700, Myllendonk was an Imperial Estate with a vote in the Bench of Counts of Westphalia.
The Lordship of Myllendonk (sometimes spelled "Millendonk") was an estate of the Holy Roman Empire, located in western North Rhine-Westphalia, Germany. It was bordered by the Duchy of Jülich to the west and north, the Lordship of Dyck to the south, and the Archbishopric of Cologne to the east and southeast.