| Name | John Efim Potapoff |
|---|---|
| Sex | male |
| Birth Date | December 25, 1890 |
| Death Date | February 16, 1978 |
| Age at Death | 87 years, 1 month, 22 days old |
| Birth Place | Other Country |
| Death Place | Sonoma County, California |
| Social Security Number | 561-07-6229 |
| Name | John Efim Potapoff |
|---|---|
| Sex | male |
| Birth Date | December 25, 1890 |
| Death Date | February 16, 1978 |
| Age at Death | 87 years, 1 month, 22 days old |
| Birth Place | Other Country |
| Death Place | Sonoma County, California |
| Social Security Number | 561-07-6229 |