| Palatinate-Simmern-Kaiserslautern Pfalz-Simmern-Kaiserslautern | ||
| 1610 – 1674 | ||
| Capital Circle Bench | Simmern Upper Rhenish Council of Princes | |
| Partitioned from the Palatinate | 1610 | |
| To the Palatinate | 1673 | |
| Extinct | 1674 | |
Palatinate-Simmern-Kaiserslautern was created in 1610 from the partition of the Palatinate after the death of Frederick IV for his son Louis Philip. In 1673 Louis Philip's son and successor Louis Henry abandoned rulership of his territories to the Palatinate, and died heirless the next year.
| Name | width=70px | Notes |
|---|---|---|
| Louis Philip | 1610–1655 | |
| Louis Henry | 1655–1674 |