Compact tree of Alexander Howard Armstrong
| Charles Christopher Napier 1864–1942 | Margaret Steede – | ||||||||||||
| William Henry Armstrong 1907– |
|
Martha Lavinia Napier 1919–1985 | |||||||||||
| Joseph Swan – | |||||||||||||
| Edward Frazer Swan 1846–1908 | Rosalie Elizabeth Swan 1881– | Mary Elizabeth Buckingham 1864–1933 | |||||||||||
| Mary Simons 1815–1887 | Lucinda Richardson – | ||||||||||||