Rainham Builders
Family: John Jacob Mater / Viola Pearl Fretz (F246557)
John Oscar Mater (1876-1971) 
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Martha Jane (Jennie) Neff (1876-1958)
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| Mary Evelyn Mater (1899-1922) |
| Sarah Alberta Mater (1903-1971) |
| Cecil Rae Mater (1906-1966) |
Samuel Adin Mater (1908-1998)  |
| Oscar Neff Mater (1911-1911) |
| Basil Francis Mater (1912-2006) |
| Carrie Helen Mater (1915-1943) |
| Doris Irene Mater (1921-2006) |
| Levi Fretz (1875-1952)
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| Elizabeth Shafer (1876-1968) |
| Howard John Fretz (1904-1988) |
| Clarence Elmer Fretz (1912-2010) |
| John Jacob Mater (1901-1992)
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| Viola Pearl Fretz (1907-2007)
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