| Name | Mark Allen Siebenthal |
|---|---|
| Sex | male |
| Birth Date | November 3, 1945 |
| Death Date | September 7, 1989 |
| Age at Death | 43 years, 10 months, 4 days old |
| Birth Place | Minnesota |
| Death Place | San Luis Obispo County, California |
| Mother's Maiden Name | Ehlenz |
| Social Security Number | 565-66-0905 |