Gezin: Thijs Jacobs Wallendal / Johanna Catrina de Kok (F42601)
getr. CA- -1916 | Jacob Atzes Wallendal (1851-1929) 
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 | Antje Sybes Tuinstra (1850-1914)
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| Atse (Arthur) Jacobs Wallendal (1874-1962)  |
| Sybe Jacobs Wallendal (1875-1877) |
| Klaaske (Clare) Jacobs Wallendal (1878-1948) |
| Sybe Jacobs Wallendal (1880-1883) |
| Jan (John) Jacobs Wallendal (1882-1946) |
| Sybe (Samuel) Jacobs Wallendal (1884-1953) |
| Antje Jacobs Wallendal (1887-1896) |
| Sytse Jacobs Wallendal (1890-1891) |
| Grietje (Grace) Jacobs Wallendal (1892-1977) |
| Trijntje Jacobs Wallendal (1894-1895) |
| Marinus de Kok (1847-1902) |
| Johanna Catrina Neerings (1849-1928) |
| Thijs Jacobs Wallendal (1885-1981)
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| Johanna Catrina de Kok (1887-1953)
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