| Name | Role | Place | Source | |
|---|---|---|---|---|
| Helena Wilhelmina Jacoba van Leeuwen | Child | 1893 | Rotterdam | Civil registration births |
| Helena Wilhelmina Jacoba van Leeuwen | Deceased | 1894 | Rotterdam | Civil registration deaths |
| Helena Wilhelmina Jacoba van Leeuwen | Child | 1893 | Rotterdam | Civil registration births |
| Helena Wilhelmina Jacoba van Leeuwen | Registered | 1880 | Population register | |
| Helena Wilhelmina Jacoba van Leeuwen | Deceased | 1894 | Rotterdam | Civil registration deaths |
| Jacoba Wilhelmina Helena van Leeuwen | Registered | 1850 | Population register | |
| Jacoba Wilhelmina Helena van Leeuwen | Deceased | 1850 | Rotterdam | Civil registration deaths |
| Jacoba Wilhelmina Helena van Leeuwen | Deceased | 1850 | Rotterdam | Civil registration deaths |
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