| Name | Role | Place | Source | |
|---|---|---|---|---|
| Gregorius (Wolff), (de) Wolf | Registered | 1665 | 's-Hertogenbosch | Civiele procesdossiers |
| Gregorius Antonius De Wolff | Father | 1880 | Gent | Civil registration deaths |
| Gregorius de Wolff | Registered | 1834 | Woerden | Death duties files |
| Gregorius de Wolff | Mention | 1846 | Woerden | Notarial records |
| Gregorius de Wolff | Mention | 1851 | Woerden | Notarial records |
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