Frederick Walter Sorensen 1936–2016 | | |
| | Frederick Chester Sorensen 1908–1977 Virginia Louise Eggertsen 1912–1991 | | | | Claude Melnot (see note) Eggertsen 1887–1963 Helen Eldeva Blackett 1891–1959 | | | | Andrew Thomas Eggertsen 1863–1920 Artulus Louisa Cook 1862–1952 |
| | | Joseph Francis Blackett 1850–1901 Alice Geraldine Alexander 1856–1931 | | | | Robert Collingwood Blackett 1807–1878 Eleanor (Ellen) Mitchell 1810–1884 | | |
| | | Horace Martin Alexander 1812–1881 |
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