Timeline Chart

1904--
1908--
1920--
1932--
1939--
![]() | Birth--11 July 1909 - Helpman, Haren, Groningen, Netherlands |
![]() | Marriage--25 January 1934 - Groningen, Groningen, Groningen, Netherlands (Age 24) |
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![]() | Birth--11 July 1909 - Helpman, Haren, Groningen, Netherlands |
![]() | Marriage--25 January 1934 - Groningen, Groningen, Groningen, Netherlands (Age 24) |
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