| Name | Role | Place | Source | |
|---|---|---|---|---|
| Johan Andrias Hecht | Employee | 1786 | Enkhuizen | Personnel-administration |
| Johan Christiaan fredrik Hecht | Employee | 1784 | Amsterdam | Personnel-administration |
| Johan Hecht | Registered | 1746 | Amsterdam | Notarial records |
| Johan Hendrich Hecht | Groom | 1810 | Amsterdam | Register of notices of marriage |
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