| Name | Role | Place | Source | |
|---|---|---|---|---|
| Helena Cornelia Sissingh | Deelgenoot | 1914 | Leeuwarden | Notarial records |
| Helena Cornelia Sissingh | Mention | 1903 | Leeuwarden | Notarial records |
| Helena Cornelia Sissingh | Previous wife | 1925 | Zaltbommel | Civil registration marriages |
| Helena Cornelia Sissingh | Child | 1896 | Leeuwarden | Civil registration births |
| Helena Cornelia Sissingh | Bride | 1922 | Leeuwarden | Civil registration marriages |
| Helena Cornelia Sissingh | Deceased | 1924 | Hilversum, Leeuwarden | Civil registration deaths |
| Helena Cornelia Sissingh | Registered | 1868 | Leeuwarden | Population register |
| Helena Cornelia Sissingh | Registered | 1896 | Leeuwarden | Population register |
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