| | Ervin Edwin Guy Clark 1903–1971 Nelta Wilhelmina Zuhlke 1909–1998 | | | | Fred Ervin Clark 1883–1918 | | | | Anna E. Livingston 1854–1933 | | |
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| | | Herman Otto Zuhlke 1887–1971 Matilda Johanna Louise Scheel 1884–1975 | | | | Albert Ernst Zühlke 1862–1947 Wilhelmina Christina Minnie Brummond 1866–1941 | | | | Friedrich August Wilhelm Zühlke 1839–1909 Ernestine Wilhelmine Schulz 1837–1908 | | |
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| | | Catherine Schwartzlose 1847–1916 | | |
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