Eberhard I of Isenburg-Grenzau was the Count of Isenburg-Grenzau from 1287 (1286) until 1290.
Eberhard was one of three sons of Count Henry II of Isenburg-Grenzau. In 1286 Henry partitioned his realm between his sons, with Eberhard's brother Louis' domain being called Isenburg-Cleberg and his other brother Gerlach's domain being called Isenburg-Arnfels. Eberhard was to receive Grenzau. The following year Henry died. Eberhard died in 1290 and without any children his realm passed to his brother Louis.
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Preceded by: |
Eberhard I |
Succeeded by: |
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| Henry II | Count of Isenburg-Grenzau 1286 - 1290 |
extinct to Isenburg-Cleberg |