| 1. | Wijbe van der Werf Family/Spouse: Baatje Kleinsma. [Group Sheet] [Family Chart]
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| 2. | Grietje van der Werf Grietje married Augustinus Constantijn Vaal on 31 May 1911 in Amsterdam. Augustinus (son of Augustinus Fransicus Vaal and Susanna Magdalena Meconi) was born on 17 Jul 1887 in Amsterdam; died on 28 May 1961 in Amsterdam. [Group Sheet] [Family Chart]
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| 3. | Augustinus (Guus) Vaal |
| 4. | Elisabeth (Bep) Vaal |