Compact tree
| Joseph Swan – | |||||||||||||
| Edward Frazer Swan 1846–1908 | Arthur Sutton Swan 1893–1963 | Mary Elizabeth Buckingham 1864–1933 | |||||||||||
| Mary Simons 1815–1887 | Lucinda Richardson – | ||||||||||||
| Charles Elton Douglas – |
|
Althea Lucille Swan 1926–1994 | |||||||||||
| William Henry Swan – | Alice Geraldine Lloyd Swan 1891–1957 | Sarah Ann Simmons – | |||||||||||