Rainham Builders
Family: Russell O. Helka / T. Dennison (F5429)
m. 15 Mar 1924William Owen Helka (1880- ) 
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Rosa Dorch (1881- )
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| Ernest Willoughby Helka (1900- ) |
| Russell O. Helka (1903- )
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Rainham Builders| William Owen Helka (1880- )
|
| Rosa Dorch (1881- )
|
| Ernest Willoughby Helka (1900- ) |
| Russell O. Helka (1903- )
|