| Name | John Helfenstein |
|---|---|
| Sex | male |
| Birth Date | October 29, 1899 |
| Death Date | January 12, 1943 |
| Age at Death | 43 years, 2 months, 14 days old |
| Birth Place | North Dakota |
| Death Place | Los Angeles County, California |
| Father's Last Name | Helfenstein |
| Mother's Maiden Name | Nicholas |