Father: Count Gerlach III of Isenburg Born: 1134 Married: Unknown Died: Unknown
Mother: UNKNOWN
Children: 1. Count Gerlach I of Isenburg-Kovern (b.1158) 2. Count Heinrich I of Isenburg-Grenzau (b.1160) 3. Count Eberhard of Isenburg (b.1164) 4. Count Friedrich of Isenburg (b.1168)
