Wilhelm was the son of Ernst I von Schönburg but his mother is unknown. The date and place of his birth have not been found.
He died in JUN 1450. The place is not known.
His wife was Markéta z Kolowrat. They were married, but the date and place have not been found. Their three known children were Wilhelm (?-1482), Johann II (?-1505) and Friedrich XIII (?-1471).
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Wilhelm I von Schönburg |
Ernst I von Schönburg |
Friedrich VIII von Schönburg |
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| Event | Date | Details | Source | Multimedia | Notes |
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| Death | JUN 1450 |
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