Rainham Builders
Family: John William Cronk / Ethel Grace Pierce (F1936)
m. 15 Aug 1911James Cronk (1849- ) 
|
Sarah Mowat (1862- ) |
| Benjamin Cronk (1882- ) |
Clarence C. Cronk (1888- )  |
| Charles Edward Cronk (1892- ) |
| John William Cronk (1880- )
|
| Ethel Grace Pierce (1881- ) |