Isenburg-Isenburg
| Isenburg-Isenberg | |
| 1137 - 1199 | |
| Capital Circle Bench  | 
Isenburg none none  | 
| Partitioned from Niederlahngau | 1137 | 
| Partitioned | 1199 | 
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. It partitioned into Lower Isenburg and Isenburg-Braunsberg in 1199.
| 
 Name  | 
 Reign  | 
|---|---|
| Rembold IV | 1137 - 1162 | 
| Rembold V | 1152 - 1195 | 
| Bruno I | 1152 - 1199 |