Timeline Chart
 Olga Gertrud Clara Rosine ten Siethoff |
1861--
1866--
1872--
1878--
1884--
1890--
1896--
1898--
| Birth--25 May 1866 - Batavia (Age 0) |
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| Marriage--3 January 1893 - Deventer (Age 26) Cornelius Joannes de Bruyn Kops |
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