Thrale history
Family: Gustavus Silvester DUNCAN / Edith Maude MATTIS (F232)
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Joseph MATTIS (1861- )
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Letitia Caroline DUHANEY (1874-1964)
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| Gustavus Silvester DUNCAN (1891-1974) |
| Edith Maude MATTIS (1893-1978)
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 | Lurine Adassa DUNCAN (1913-1987)  |