Gezin: Jan Willem Koer / Johanna Cornelia Tichelman (F1777836370)
getr. 1902Jan Willem Koer (1825- ) |
Hendrika Catharina Buma (1825- ) |
Gerardus Tichelman (1813-1892) 
|
| Elsje Johanna Schadee (1822-1899)
|
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) |
| Isaäk Tichelman (1864-1911) |
| Henri Jacques Tichelman (1865-1943) |
| Johanna Cornelia Tichelman (1858-1920)
|
| Jan Willem Koer (1844-1912)
|
