Family: Joseph William Chalkus / Lena Emily Cosat (F892)
Charles Leroy Cosat (1883-1957) 
|
Ella Elizabeth Pashe (1885-1975)
|
Helen M. Cosat (1907-1968)  |
| Mary Louise Cosat (1908-1998) |
| Edna Mae Cosat (1911-1994) |
| Wilma L. Cosat (1913-1993) |
| Edmund L. Cosat (1914-1963) |
| Fred Eugene Cosat (1916-2001) |
| Freda Jeanette Cosat (1916-1999) |
| John W. Cosat (1919-1968) |
| Virginia Ann Cosat (1922-2015) |
| Joseph William Chalkus (1914-1973) |
