| Name | John C Duff |
|---|---|
| Sex | male |
| Birth Date | January 10, 1907 |
| Death Date | July 19, 1971 |
| Age at Death | 64 years, 6 months, 9 days old |
| Birth Place | Illinois |
| Death Place | Contra Costa County, California |
| Social Security Number | 261-20-2769 |
| Name | John C Duff |
|---|---|
| Sex | male |
| Birth Date | January 10, 1907 |
| Death Date | July 19, 1971 |
| Age at Death | 64 years, 6 months, 9 days old |
| Birth Place | Illinois |
| Death Place | Contra Costa County, California |
| Social Security Number | 261-20-2769 |