Family: Robert S. Heckman / Dorothy (F16159)
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William H. Heckman (1858-1919)
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Sallie A. Koller (1872-1930)
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| Virginia Heckman (1889-1891) |
| Lester Earl Heckman (1914-1914) |
| Charles E. Heckman (1915-1915) |
| Robert S. Heckman (1898-1963)
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