| Name | Role | Place | Source | |
|---|---|---|---|---|
| Johannes Henricus Hubertus de Poorter | Declarant | 1831 | Waspik | Civil registration births |
| Johannes Henricus Hubertus de Poorter | Declarant | 1831 | Waspik | Civil registration births |
| Johannes Henricus Hubertus de Poorter | Declarant | 1830 | Waspik | Civil registration births |
| Johannes Henricus Hubertus de Poorter | Declarant | 1834 | Waspik | Civil registration births |
| Johannes Henricus Hubertus de Poorter | Declarant | 1834 | Waspik | Civil registration births |
| Johannes Henricus Hubertus de Poorter | Declarant | 1830 | Waspik | Civil registration births |
| Johannes Henricus Hubertus de Poorter | Declarant | 1830 | Waspik | Civil registration births |
| Johannes Hermannus Sinnige | Father | 1849 | Oosterdiep | Civil registration births |
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