Rainham Builders
Family: Fred Detert / M.F. Treharne (F176117)
William John Treharne (1870-1955) 
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Olive Barbara Zavitz (1880-1967)
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| Angela L. Treharne (1902-1970) |
Owen Graybiel Treharne (1903-1966)  |
| Gordon Keith Treharne (1905-1977) |
| Lillian Elizabeth Treharne (1914-1993) |