Compact tree
| Joseph Powell – | |||||||||||||
| Bolly Powell – | Howard Woodrow Powell 1914–1987 | ||||||||||||
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| Edward Frazer Swan 1846–1908 | William Henry Swan – | ||||||||||||
| Arthur Sutton Swan 1893–1963 | Pearl Almeria Swan 1919–2005 | Alice Geraldine Lloyd Swan 1891–1957 | |||||||||||
| Mary Elizabeth Buckingham 1864–1933 | Sarah Ann Simmons – | ||||||||||||