Murray Seward Hirtle 1928–2011 Kathleen Isobel “Kay” Sutherland 1925–2018 | | |
Robert Keith Hirtle 1929–2009 Patricia McNaughton –2009 | | |
| | Seward William Hirtle 1889–1959 Margaret May Mosher 1891–1984 | | | | James Edward Hirtle 1853–1924 | | | | Susannah Elizabeth Sawler 1819– | | | | John Leonard Hirtle 1782–1858 Rebecca Magdalene Hiltz – |
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| | | Alfred David Mosher 1860–1935 Sarah Armenia Ann Lohnes 1868–1925 | | |
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