| Name | William Martinez Yffert |
|---|---|
| Sex | male |
| Birth Date | August 29, 1907 |
| Death Date | June 29, 1978 |
| Age at Death | 70 years, 10 months old |
| Birth Place | Mexico |
| Death Place | Riverside County, California |
| Social Security Number | 572-32-4790 |
| Name | William Martinez Yffert |
|---|---|
| Sex | male |
| Birth Date | August 29, 1907 |
| Death Date | June 29, 1978 |
| Age at Death | 70 years, 10 months old |
| Birth Place | Mexico |
| Death Place | Riverside County, California |
| Social Security Number | 572-32-4790 |