Gerhard was born about 1225, the son of unknown parents. The place is not known.
He died in 1252. The place is not known.
His wife was Mechtild von Altena. They were married, but the date and place have not been found. Their two known children were Aleidis (c1247->1287) and Johann (c1250-1287).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 1225 |
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| Death | 1252 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | burggraf von Köln |