| Name | Role | Place | Source | |
|---|---|---|---|---|
| P. Hartenberg | Civil servant | Register of staff | ||
| P. Hartenberg | Registered | Heerhugowaard | Population register | |
| P. Hartenberg | Registered | 1909 | Heiloo | Population register |
| P. Hartenberg | Registered | Oudorp | Population register | |
| P. Hartenberg | Registered | Heerhugowaard | Population register | |
| P. Hartenberg | Travelers | 1918 | New York | Passenger registers |
| P. Hartenberg | Registered | 1912 | Heiloo | Population register |
| P. Hartenberg | Person in notarial deed | 1925 | Obdam | Notarial records |
| P. Hartenberg | Person in notarial deed | 1924 | Obdam | Notarial records |
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