| | Hugh Charles Brennan 1931–2008 | | |
| | Hugh Harold Brennan 1900–1956 Theresa Seeholzer 1903–1973 | | | | Hugh Charles Brennan 1869–1954 Elizabeth Murphy 1879–1961 | | | | Michael Brennan 1828–1903 Bridget McManus 1827–1906 | | |
| | | Mary Ann Wallace 1852–1924 | | |
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| | | Charles B Seeholzer 1861–1947 Theresa Brennan 1860–1926 | | | | Charles (Karl) Seeholzer 1835–1897 Sophia Bollinger 1833–1909 |
| | | Michael Brennan 1828–1903 Bridget McManus 1827–1906 | | |
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