Günther was born about 1240, the son of unknown parents. The place is not known.
He died in 1289. The place is not known.
His wife was Helene von Sachsen-Lauenburg. They were married, but the date and place have not been found. Their two known children were Günther XII (?-1308) and Adelheid (?-1319).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 1240 |
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| Death | 1289 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | FROM 1274 TO 1289 | graf von Schwarzburg-Blankenburg |