Rainham Builders
Family: John C. Calder / Pauline Luella Zavitz (F178136)
m. 1938Michael Zavitz (1877-1962) 
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Margaret Elizabeth (Maggie) Baker (1878-1948)
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Howard Louis Zavitz (1901- )  |
| Walter Raymond Zavitz (1906-1978) |
| Pauline Luella Zavitz (1917-2000)
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