| Name | Role | Place | Source | |
|---|---|---|---|---|
| Jozina Ruijgrok | Mother | 1845 | Naaldwijk | Civil registration deaths |
| Jozina Ruijgrok | Mention | Zegwaart | BR Zegwaart 1838-1936 | |
| Margaretha Jozina Teresia Ruijgrok | Registered | 1913 | 's-Gravenhage | Population register |
| Wilhelmina Jozina Anthonia Ruijgrok | Registered | Gouda | Population register | |
| Wilhelmina Jozina Anthonia Ruijgrok | Registered | 1920 | Gouda | Population register |
| Wilhelmina Jozina Anthonia Ruijgrok | Child | 1920 | Gouda | Civil registration births |
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