Johann was born about 1204 in Oldenburg, Niedersachsen, Deutschland , the son of unknown parents.
He died about 1270 in Oldenburg, Niedersachsen, Deutschland .
His wife was Richeza von Hoya. They were married, but the date and place have not been found. Their two known children were Christian III (c1228-1285) and Hedwig (?-1289).
| Event | Date | Details | Source | Multimedia | Notes | ||
|---|---|---|---|---|---|---|---|
| Birth | ABT 1204 |
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| Death | ABT 1270 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | FROM 1251 TO 1272 | graf von Oldenburg |