| Name | Role | Place | Source | |
|---|---|---|---|---|
| Hubertus Johannes Ruijgrok | Child | 1893 | Rotterdam | Civil registration births |
| Hubertus Johannes Ruijgrok | Deceased | 1902 | Rotterdam | Civil registration deaths |
| Hubertus Johannes Ruijgrok | Deceased | 1902 | Rotterdam | Civil registration deaths |
| Hubertus Johannes Ruijgrok | Groom | 1941 | Schagen | Civil registration marriages |
| Hubertus Johannes Ruijgrok | Child | 1893 | Rotterdam | Civil registration births |
| Hubertus Johannes Ruijgrok | Child | Hillegom | ||
| Hubertus Johannes Ruijgrok | Registered | 1883 | Sloten NH thans Amsterdam, Hillegom | Population register |
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