Timeline Chart
1906--
1907--
1908--
1909--
1910--
1911--
1912--
1913--
1914--
1915--
1916--
1917--
| Birth--23 March 1911 - Kloosterburen, Ulrum, Groningen, Netherlands |
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| Birth--16 October 1912 - Kloosterburen, Ulrum, Groningen, Netherlands |
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