Rainham Builders
Family: Erwin Fretz Keller / Martha Fretz (F207425)
m. 1911Frances M. Fretz (1863-1953) |
Margaret (Maggie) Fretz (1861-1949) 
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| Erwin Fretz Keller (1881-1975) |
| Martha Fretz (1887-1951)
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Dorothy Keller (1911-1977)  |
| Myrtle Keller (1915-1918) |