Timeline Chart
Richard Groß |
Martha Helzer |
1868--
1872--
1884--
1896--
1908--
1920--
1932--
1944--
1956--
1961--
Birth -- 18 September 1873 |
Birth -- 27 May 1874 |
Death -- 13 March 1940 (Age 65) |
Death -- 26 November 1956 (Age 83) |
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