| Name | Role | Place | Source | |
|---|---|---|---|---|
| Geertruida Maria Jacoba de Keyzer | Registered | 1880 | Population register | |
| Geertruida Maria Keyzer | Registered | 1880 | Population register | |
| Geertruida Maria Keyzer | Mention | 1881 | Emigration Registers | |
| Geertruida Maria Keyzer | Child | 1881 | Harlingen | Civil registration births |
| Geertruida Maria Keyzer | Mother | 1909 | Harlingen | Civil registration births |
| Henrica Geertruida Maria Keyzer | Defendant | 1936 | Leeuwarden | Rollbooks district courts |
| Johanna Geertruida Maria Keyzer | Defendant | 1936 | Leeuwarden | Rollbooks district courts |
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