| Name | Mark Brian Seifert |
|---|---|
| Sex | male |
| Birth Date | January 2, 1963 |
| Death Date | November 17, 1978 |
| Age at Death | 15 years, 10 months, 15 days old |
| Birth Place | Colorado |
| Death Place | Santa Clara County, California |
| Social Security Number | 547-43-5723 |
| Name | Mark Brian Seifert |
|---|---|
| Sex | male |
| Birth Date | January 2, 1963 |
| Death Date | November 17, 1978 |
| Age at Death | 15 years, 10 months, 15 days old |
| Birth Place | Colorado |
| Death Place | Santa Clara County, California |
| Social Security Number | 547-43-5723 |