| Name | Role | Place | Source | |
|---|---|---|---|---|
| Alexander P. Jac. Pool | Registered | 1915 | Amsterdam | Workforce registration |
| Jac. Johannes Pool | Registered | 1849 | Hoorn | Member register |
| Jac. Johannes Pool | Registered | 1849 | Hoorn | Member register |
| Jac. Pool | Registered | 1901 | Amsterdam | Workforce registration |
| Jac. Pool | Registered | Zijpe | Population register | |
| Jac. Pool | Registered | Zijpe | Population register | |
| Jac. Pool | Registered | Zijpe | Population register | |
| Jac. Pool | Registered | 1899 | Schagen | Population register |
| Jeentje Jac Pool | Registered | Achtkarspelen | Population register |
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