| | Robert Theodore Bob Bielefeld 1930–2016 Norma Darlene Troeller 1927–1985 | | | | | Harold Lester Troeller 1896–1966 Alma Helene Clodt 1902–1995 | | | | Conrad Frederick Troeller 1868–1919 Clarissa Sophia Clara Weiss 1871–1910 Edith M. Sedgwick 1876–1947 | | | | | Anna Clara Voigt 1833–1915 | | | | | Johann Theodor Voigt –1852 Maria Agnes Thuernich –1872 |
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