Isengard was the daughter of Johann von Wied-Braunsberg-Isenburg and Agnes von Isenburg-Grenzau. The date and place of her birth have not been found.
Her husband was Johann III von Rheineck, who she married in 1311. The place has not been found. They had no known children.
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Johann von Wied-Braunsberg-Isenburg |
Bruno III von Wied-Braunsberg-Isenburg |
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Heinrich I von Sponheim |
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Agnes von Heinsberg-Falkenburg |
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Agnes von Isenburg-Grenzau |
II Salentin von Isenburg-Grenzau |
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Agnes von Runkel-Westerburg |
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