Family: Sylvester Clark Duffy / Estella Cleora Lowe (F2716)
 | Oscar Mark Duffey (1862-1944) 
|
 | Leah Florence Crabbe (1888-1964)
|
| William Duffey (1907- ) |
| Jeannie Duffey (1909- ) |
| Harry Agusta Duffey (1912-1981)  |
| Lillian Serena Duffey (1915-1968) |
| Esphy Viola Duffey (1919-2001) |
| Denver H Duffey (1920-1988) |
| Kenneth E Duffey (1922-1994) |
| Sylvester Clark Duffy (1913-1968)
|
| Estella Cleora Lowe (1919-1998) |
| Etta Mae Duffey (1939-1999) |