| Name | John Frederick Koski |
|---|---|
| Sex | male |
| Birth Date | July 4, 1905 |
| Death Date | June 18, 1989 |
| Age at Death | 83 years, 11 months, 14 days old |
| Birth Place | Montana |
| Death Place | San Francisco County, California |
| Mother's Maiden Name | Hietala |
| Social Security Number | 565-05-9847 |
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