Gezin: Jan Willem Koer / Johanna Cornelia Tichelman (F2486)
getr. 1902Jan Willem Koer (1826- ) |
Hendrika Catharina Buma (1826- ) |
Gerardus Tichelman (1813-1892) 
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| Elsje Johanna Schadee (1822-1899)
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Antonia Maria Tichelman (1846-1892)  |
| Elsje Johanna Gerarda Petronelaa Tichelman (1847-1917) |
| Gerardus Tichelman (1854-1854) |
| Gerardus Tichelman (1855-1856) |
| Gerardus Tichelman (1857-1864) |
| Johannes Cornelis Tichelman (1859-1901) |
| Johannes Stephanus Wilhelmus Tichelman (1860-1867) |
| Grada Petronella Tichelman (1862-1936) |
| Marius Nicolaas Tichelman (1862-1873) |
| Isa Tichelman (1864-1911) |
| Henri Jacques Tichelman (1865-1943) |
| Jan Willem Koer (1844-1912)
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| Johanna Cornelia Tichelman (1858-1920)
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