Lordship of Kempenich
Herrschaft Kempenich
1142 - 1801

Established 1142
Mediate to Trier 1277
To Schöneck 1424
To Virneburg 1434
To Trier 1480
To Eltz 1581
To Trier 1777
Ceded to France 1801

The Lordship of Kempernich was the name of an estate of the Holy Roman Empire, based around Kempenich in modern Rhineland-Palatinate, Germany.

The Lordship of Kempenich was first mentioned in 1093 as being ruled by Richwin of Wied. In 1143 another Richwin is mentioned, although it is unclear if it is the son of the former Richwin or if it was the former Richwin. Either way, his son, Sigfried is considered the founder of the state of Isenburg-Kempenich in 1142. Through marriage, Isenburg-Kempenich passed to Reynold of the House of Isenburg in 1153.

In 1277 Gerard I made his lordship mediate to the Archbishopric of Trier. After the death of Gerard's son Theodoric IV, a bloody succession dispute broke out in 1330 between the sons of Theodoric, Simon I and Theodoric V, and their cousin Gerard II after Simon took the lordship for himself. Gerard brought his friends into the dispute, Gerard of Landskron, John of Rheineck, Theodoric of Schönberg, and George of Eich. On 26 February 1331 the Archbishop of Trier also joined Gerard. Simon and Theodoric likewise brought allies into the conflict, and the entire lordship was devastated. Eventually the Archbishop excommunicated Simon after he had a church burned down after trying to use it to exert pressure on the other side.

The dispute was settled with the Peace of Lahnstein on 11 June 1331. Simon was left the sole ruler of Kempenich and it was decreed the lordship could no longer be partitioned. Simon I was succeeded by his son Simon II in 1341, and his brother John respected the treaty. But after the death of Simon II, his sons Simon II, Theodoric VI, John and Henry co-ruled the lordship. Henry appears to have died almost immediately and Theodoric VI was not mentioned after 1378. Simon died in 1420 without descendents, and after John died Kempenich passed to the Lords of Schöneck. In 1434 it passed to the Archbishop of Trier, who sold the territory to the Counts of Virneburg.

The Counts of Virneburg became extinct in 1480 and Kempenich returned the Archbishops. In 1581 it was sold to the Eltz who partitioned and it passed to Eltz-Kempenich, and under their rule Kempenich declined markedly. In 1777 the Archbishopric of Trier reannexed Kempenich.