Wilhelm was the son of Wilhelm III von Thüringen and Oda von der Ostmark. The date and place of his birth have not been found.
He died in 1062. The place is not known.
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Wilhelm IV von Weimar |
Wilhelm III von Thüringen |
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Oda von der Ostmark |
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| Event | Date | Details | Source | Multimedia | Notes |
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| Death | 1062 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
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| Nobility Title | FROM 1046 TO 1062 | markgraf von Meißen | ||||
| Nobility Title | FROM 1042 TO 1043 | pfalzgraf von Sachsen |