| Name | Role | Place | Source | |
|---|---|---|---|---|
| A. Dalhuisen-Helderman | Signatory | 1878 | 's-Gravenhage | Verzoekschriften |
| A. Helderman | Signatory | 1878 | 's-Gravenhage | Verzoekschriften |
| A. Helderman | Civil servant | Register of staff | ||
| A. Helderman | Military | 's-Gravenhage | Staat van dienst | |
| A. Helderman | Civil servant | Studbooks | ||
| A. Helderman | Zitplaatsregister geregistreerde | 1824 | Zutphen | Registers of seats in the church |
| A. Helderman | Zitplaatsregister geregistreerde | 1844 | Zutphen | Registers of seats in the church |
| A. Helderman | Zitplaatsregister geregistreerde | 1848 | Zutphen | Registers of seats in the church |
| HELDERMAN, A. | Partner | Delft | Population register |
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