| | Marvin Shemwell Thomas 1908–1993 Hazel Julia Allen 1912–1983 | | |
| | John Risden Thomas 1849–1915 Ida May Shemwell 1869–1954 Elizabeth B Rideoutte 1851– | | | | | Alexander “Alex” Shemwell Jr. 1824–1890 Nancy Ann “Anna” Smith 1830–1903 | | | | Alexander Shemwell Sr. 1790–1841 Nancy Jane Daniel 1800–1860 | | | | Isaac Shemwell Jr. 1750–1805 | | |
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