István was the son of János Thoroczkay de Toroczkószentgyörgy and Barbara Thorma de Csicsókeresztúr. The date and place of his birth have not been found.
He died in 1712. The place is not known.
His wife was Borbála Kapy de Kapivár, who he married in 1674. The place has not been found. Their only known child was Mária (1688-1737).
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| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | 1712 |
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