Gezin: Gerard Louwrens Tichelman / Sjoukjen Margaretha Elisabeth Albertina Posthuma (F2463)
getr. 1917Johannes Cornelis Tichelman (1859-1901) 
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Christina Louwrina Albertina van der Eijck (1868-1938)
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| Elly Tichelman (1891-1891) |
Augusta Henriette Sophia Tichelman (1895-1976)  |
| Pieter Posthuma (1865- ) |
| Sjoukjen Margaretha Elisabeth Albertina Posthuma (1892-1944)
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| Gerard Louwrens Tichelman (1893-1962)
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| Joan Frederik Barthold Tichelman (1930-1998) |
| Drs. Smea Christina Margaretha Benine Tichelman (1931-1988) |