| Name | Gustave Frederick Koopmann |
|---|---|
| Sex | male |
| Birth Date | May 19, 1897 |
| Death Date | July 23, 1989 |
| Age at Death | 92 years, 2 months, 4 days old |
| Birth Place | California |
| Death Place | Alameda County, California |
| Mother's Maiden Name | Kroeger |
| Social Security Number | 572-18-1974 |
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