Joan Payzant Sponagle 1921–2012 Hector John Greville 1925–2014 | | |
Donald Brock Robson 1949–2016 | | |
David Scott Robson 1949–2021 | | |
| | Wilda Ann “Billie” Sponagle 1924–1997 Donald Robert Robson 1924–2005 | | |
| | James Enos Sponagle 1882–1961 Vida Estelle Whidden 1885–1968 | | | | James Newton Sponagle 1858–1926 Emma Selenia Remby 1859–1949 | | | | | | | | Leonard Sponagle 1785–1843 Eleanor Johnston 1795–1879 | | | | George Adam Sponagle 1750–1834 | | |
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| | | Elizabeth Barbara Himmelman 1789– | | | | Peter Himmelman 1756–1830 | | |
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| | | David Graham Whidden 1857–1941 |
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