Johann was the son of Johann II (X) von Oldenburg and Hedwig von Diepholz. The date and place of his birth have not been found.
He died in 1344. The place is not known.
His wife was Mechtild van Bronckhorst. They were married, but the date and place have not been found. They had no known children.
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Johann III von Oldenburg |
Johann II (X) von Oldenburg |
Christian III von Oldenburg |
Johann I von Oldenburg-Oldenburg |
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Hedwig von Oldenburg-Wildeshausen |
Heinrich IV von Oldenburg-Wildeshausen |
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Elisbeth von Tecklenburg |
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Hedwig von Diepholz |
Konrad V (VI) von Diepholz |
Johann von Diepholz |
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Hedwig von Limmer-Wunstorf |
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Hedwig von Rietberg |
Friedrich I von Arnsberg |
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Beatrix von Horstmar |
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | 1344 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | ABT 1301 | graf von Oldenburg |