Over Wilhelmus Johannes Holkers (Nederlands)
- 1875 : Kweekschool voor Zeevaart te Leiden - Marine Stamboek 22:17795
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Wilhelmus Johannes Holkers's Timeline
1861 |
July 22, 1861
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's-Gravenhage, ZH, Netherlands
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1937 |
September 1, 1937
Age 76
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's-Gravenhage, ZH, Netherlands
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