Rainham Builders
Family: George A. Duff / Clara Johnston (F1293)
Daniel Johnston (1843-1910) 
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Christianna "Tina" Sider (1846- )
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| Emma Johnston (1871-1893) |
Flora "Nellie" Johnston (1876-1950)  |
| A. Nina Johnston (1885-1970) |
| George A. Duff (1866-1949) |
| Clara Johnston (1869-1937)
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