Robert Denniston Hirtle 1931–2023 Edna Mary Verge Murphy 1931–2024 | | |
| | Robert Lorraine Hirtle 1906–1933 Harriet Agnes Denniston 1907–1964 | | | | Isaac Daniel Hirtle 1870–1938 Laura Margaret Rafuse 1870–1952 | | | | Augusta Schnerr 1845–1876 | | | | Susanna Elizabeth Conrad 1809–1897 | | | | Christian Hirtle 1774–1848 Elizabeth Margaretta Schmidt –1852 | | |
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