Compact tree of Ruth Gwendyn Thompson
| George Frederick Thompson 1844–1898 | Jane McEwen – | Samuel Johnson Lathan 1864– | |||||||||||
| George Frederick Thompson 1876–1968 |
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Violet Eldora Lathan 1896–1981 | |||||||||||
| Philip Grant 1800–1873 | John Gibb Simons 1814–1896 | ||||||||||||
| Annie Maria Dickerson – | Robert Simmons Grant 1830–1885 | Charlotte Beatrice Grant 1877–1952 | Charlotte Swan Simons 1841–1912 | ||||||||||
| Ann Simons 1807–1887 | Hannah Swan – | ||||||||||||