Timeline Chart
1906--
1908--
1912--
1916--
1918--
| Birth--3 February 1911 - Groningen, Groningen, Groningen, Netherlands |
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| Birth--27 March 1912 - Groningen, Groningen, Groningen, Netherlands |
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| Birth--6 July 1913 - Groningen, Groningen, Groningen, Netherlands |
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