Rainham Builders
Family: Harmon Danfred Marr / Alberta Mater (F193774)
m. Abt 1910Jacob Mater (1838-1908) 
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Mary Sider (1844-1936)
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| Nancy Ann Mater (1862-1869) |
| Christiana Mater (1864-1874) |
Joetta (Etta) Mater (1870-1936)  |
| Mary Idellas Mater (1874-1874) |
| John Oscar Mater (1876-1971) |
| Ella Dora Mater (1886-1974) |
| Harmon Danfred Marr (1877-1979) |
| Alberta Mater (1879-1954)
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| Mary Emma Marr (1911-1995) |
| Thelma Lois Marr (1918-1996) |