Johann was born about 1211, the son of unknown parents. The place is not known.
He died on 01 AUG 1264. The place is not known.
His wife was Luitgard von Henneberg, who he married in 1229. The place has not been found. Their only known child was Heinrich I (c1230-1302).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 1211 |
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| Death | 1 AUG 1264 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | FROM 1226 TO 1264 | fürst von Mecklenburg | ||||
| Nobility Title | BET 1231 AND 1264 | herr von Rostock und Wismar |