| Isenburg-Isenberg | |
| 1137 - 1199 | |
| Capital Circle Bench | Isenburg none none | 
| Partitioned from Niederlahngau | 1137 | 
| Partitioned | 1210 | 
Isenburg-Isenburg was the name of a state of the Holy Roman Empire, based around Isenburg in modern Rhineland-Palatinate, Germany. It was created as a partition of the Niederlahngau in 1137. [1] [ additional citation(s) needed ] It partitioned into Lower Isenburg and Isenburg-Braunsberg in 1210. [2]
| Name | Reign | 
|---|---|
| Rembold IV | 1137 - 1162 | 
| Rembold V | 1152 - 1195 | 
| Bruno I | 1152 - 1199 |