Compact tree of Laurance Ismay Swan
| Henry Thomas Swan 1846–1882 | William Henry Darrell – | ||||||||||||
| Henry Hyland Swan 1882–1941 |
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Edith Mary Darrell 1894–1956 | |||||||||||
| George Frederick MacKenzie – | Alice Isabelle Margaret Mackenzie 1856–1945 | Mahalah MacKenzie – | Joseph Furbert – | Eleanor Gertrude Furbert – | Mary Jane Burgess – | ||||||||