| Name | Leon Karol Kaniefski |
|---|---|
| Sex | male |
| Birth Date | June 6, 1918 |
| Death Date | March 13, 1992 |
| Age at Death | 73 years, 9 months, 7 days old |
| Birth Place | Pennsylvania |
| Death Place | Contra Costa County, California |
| Social Security Number | 179-12-8540 |
| Name | Leon Karol Kaniefski |
|---|---|
| Sex | male |
| Birth Date | June 6, 1918 |
| Death Date | March 13, 1992 |
| Age at Death | 73 years, 9 months, 7 days old |
| Birth Place | Pennsylvania |
| Death Place | Contra Costa County, California |
| Social Security Number | 179-12-8540 |