Herrschaft/Gericht Kerpen
Herrschaft/Gericht Lommersum
Prior to 1712, Kerpen and Lommersum were distinct Herrschaften, albeit under common administration. Beginning in 1712, the Herrschaften became Gerichte within a combined autonomous entity under Jülich sovereignty. In 1786, that entity became an independent County with two subdivisions.
List of villages in Herrschaft/Gericht Kerpen
- Kerpen 1555 - 1794
- Mödrath 1555 - 1794
List of villages in Herrschaft/Gericht Lommersum
- Derkum 1555 - 1794
- Hausweiler 1555 - 1794
- Lommersum 1555 - 1794
- Ottenheim 1555 - 1794
Chronological list of countries to which Kerpen and Lommersum belonged
- Duchy of Limburg (adm. Nassau)1543 - 1640
- Duchy of Limburg (adm. Chevreuse)1640 - 1654
- Duchy of Limburg (adm. Electorate of Cologne)1654 - 1710
- Duchy of Jülich (in personal union with the Palatinate Electorate)1710 - 1712
- Duchy of Jülich (adm. Kerpen and Lommersum)1712 - 1786
- County of Kerpen and Lommersum1786 - 1794