| Family Tree Collection | Main index A-Z | Total index | Names | Index places | Alexander Duparc Collection |
| Family page |
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Jacob Maurits Haas, birth Hellevoetsluis, occupation: klerk bij de posterijen
to: Frederika Levinson, birth 1876 Brielle, occupation: onderwijzeres Heenvliet, daughter of Jacob Levinson and Mietje Salomons |
| 1) Betsy Maria Eva Haas |