Compact tree
| Joseph Swan – | |||||||||||||
| Joseph Powell – | Bolly Powell – | Edward Frazer Swan 1846–1908 | Arthur Sutton Swan 1893–1963 | Mary Elizabeth Buckingham 1864–1933 | |||||||||
| Mary Simons 1815–1887 | Lucinda Richardson – | ||||||||||||
| Howard Woodrow Powell 1914–1987 |
|
Pearl Almeria Swan 1919–2005 | |||||||||||
| William Henry Swan – | Alice Geraldine Lloyd Swan 1891–1957 | Sarah Ann Simmons – | |||||||||||