Timeline Chart
1872--
1876--
1880--
1884--
1888--
1892--
1896--
1900--
1904--
1908--
1912--
1916--
1920--
1924--
1928--
1932--
1936--
1940--
1944--
1948--
1952--
1956--
1960--
1962--
| Birth--8 March 1877 - Elberfeld |
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| Birth--21 April 1886 - Amsterdam |
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| Marriage--10 September 1907 (Age 30) |
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| Marriage--10 September 1907 (Age 21) |
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| Death--1 February 1953 (Age 75) - Köln |
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| Death--10 September 1957 (Age 71) |
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