Rainham Builders
Family: G.D. Roik / C.J. Mater (F180765)
John Jacob Mater (1901-1992) 
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Helen Josephine Ready (1902-1959)
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Clyde Armand Mater (1929-1995)  |
| John Charles Mater (1931-2010) |
| Reid Ready Mater (1942-2011) |
| Joy Adelaide Mater (1935-1935) |