Rainham Builders
William Owen Helka
1880 - (Notes: You may have to scroll down or right to see chart.)
| Ernest Willoughby Helka 1900- |
| Ernest Willoughby Helka | |
| B: | 18 Jan 1900 |
| Russell O. Helka Abt 1903- |
| Russell O. Helka | |
| B: | ABT. 1903 |
| Michigan | |
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| William Owen Helka 1880- |
| William Owen Helka | |
| B: | 21 Jul 1880 |
| Walpole Township, Haldimand County | |
Rosa Dorch 1881- |
| Rosa Dorch | |
| B: | 11 Feb 1881 |