| Name | Role | Place | Source | |
|---|---|---|---|---|
| Cornelia Johanna Maria Alvenaar | Registered | 10-2 | Leiden | Population register |
| Cornelia Johanna Maria Alvenaar | Registered | Gouda | Population register | |
| Cornelia Johanna Maria Alvenaar | Registered | 1913 | 's-Gravenhage | Population register |
| Cornelia Johanna Maria Alvenaar | Registered | 10-2 | Leiden | Population register |
| Cornelia Johanna Maria Alvenaar | Deceased | 1917 | 's-Gravenhage | Civil registration deaths |
| Cornelia Johanna Maria Alvenaar | Child | 1906 | 's-Gravenhage | Civil registration marriages |
| Cornelia Johanna Maria Alvenaar | Child | 1900 | Leiden | |
| Maria Alvenaar | Registered | 1838 | Waddinxveen | Population register |
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