Rainham Builders
Family: William Owen Helka / Rosa Dorch (F5425)
Lewis Helka (1841-1889) 
|
Charlotte Yager (1841- )
|
Dorothy Jane Helka (1868-1948)  |
| Annabell Helka (1872- ) |
| Josephus Helka (1873-1947) |
| Wellington Helka (1875- ) |
| Laura Helka (1878- ) |
| John Henry Helka (1883-1968) |
| William Owen Helka (1880- )
|
| Rosa Dorch (1881- )
|
| Ernest Willoughby Helka (1900- ) |
| Russell O. Helka (1903- ) |
