Compact tree of Harold Gibbs Simons
| John Simons 1827– | James Dowling 1809–1876 | ||||||||||||
| Solomon Anthony Simons 1838–1903 | Charles Gibbs Simons 1818–1890 | Elizabeth Adelaide Marie Dowling 1838–1915 | William Thompson Robinson – | ||||||||||
| Hannah Swan 1815–1878 | Sarah Ann Philpott 1810–1891 | ||||||||||||
| Charles Gibbs Simons 1857–1901 |
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Harriet Beatrice Robinson 1866– | |||||||||||
| Matilda Tuzo Lambert –1911 | Ellen Williams Gibson – | ||||||||||||