| Name | Role | Place | Source | |
|---|---|---|---|---|
| Benjamin Samuel Symons | Registered | 1768 | Amsterdam | Notarial records |
| Benjamin Samuel Symons en zonen | Creditor | 1770 | Notarial records | |
| Benjamin en Samuel Symons en Soonen | Geconstitueerde | 1768 | Notarial records | |
| Benjamin en Samuel Symons en Zoonen | Geconstitueerde | 1768 | Notarial records | |
| Benjamin en Samuel Symons en soonen | First party | 1770 | Notarial records | |
| Benjamin en Samuel Symons en zonen | Constituant | 1785 | Notarial records | |
| Benjamin en Samuel Symons en zonen | Contractor | 1770 | Notarial records | |
| compagnieschap van negotie of societyd van Benjamin en Samuel Symons en zonen | Second party | 1775 | Notarial records |
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