Alice Jane Williamson 1901–1984 James Wesley Winters 1896–1975 | | |
James William Williamson 1902–1993 | | |
George Williamson 1906–1983 Lois E. Champion 1905–1978 | | |
Robert Williamson Jr. 1908–1982 | | |
Edward K. Williamson 1910–1988 | | |
Marguerite J. Williamson 1912–2007 | | |
Eva I. Williamson 1916–1949 Herman L. laMaster 1908–1993 | | |
Hilda Genevieve Williamson 1921–2011 | | |
Freida Mae Williamson 1923–1981 William J. Watson 1922–1965 | | |
| | Robert Williamson 1878–1961 | | | | Robert Robinson 1851–1906 | | | | | | | | Robert Blackett 1776–1854 Elizabeth Simpson 1788–1838 | | | | Cuthbert Blackett 1745–1809 | | |
| | | Eleanor Bradley 1763–1838 |
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