Rainham Builders
Family: Clarence William McCollow / Estella Millicent Treffry (F3429)
m. 4 Feb 1919William Allen Treffry (1855- ) 
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Isabella Cronkwright (1858-1932)
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| Mary Lucretia Treffry (1877- ) |
William Austin Treffry (1880- )  |
| Samuel Eger Treffry (1882- ) |
| Lewis Allen Treffry (1883- ) |
| Earnest Elwood Treffry (1885- ) |
| Annie Eliza Treffry (1887- ) |
| Edna Belle Treffry (1888- ) |
| Henry Cody Treffry (1895- ) |
| Clarence William McCollow (1898- )
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| Estella Millicent Treffry (1900- )
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