Rainham Builders
Family: Frederick A. Bostwick / Ethel A. Backus (F6311)
Frank A. Backus (1867-1954) 
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Carrie Feek (1864-1924)
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Mable Backus (1892- )  |
| Blanche Backus (1894-1948) |
| Irene Mae Backus (1895- ) |
| Betty C. Backus (1903-1991) |
| Frederick A. Bostwick (1883- ) |
| Ethel A. Backus (1899- )
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