Rainham Builders
Family: William Charles Herbert Blackman / Grace Vivian Wismer (F209008)
m. 1939Norman Wismer (1869-1931) 
|
Deborah Mezina Clark (1868-1951) |
Margaret Jane Wismer (1890-1967)  |
| Russell Douglas Wismer (1894-1971) |
| Ethel Levina Wismer (1895- ) |
| Etta Louisa Wismer (1895-1978) |
| Ira Franklin Wismer (1898-1975) |
| Lillian Emma Wismer (1899-1986) |
| Norman Cecil Isaac Wismer (1908-1985) |
| William Charles Herbert Blackman (1915-1974) |
| Grace Vivian Wismer (1911-1998)
|
