Jacob BiffertAge: 66 years1909–1975
- Name
- Jacob Biffert
| Family with Helen Carolyn Lassle |
| himself |
Jacob Biffert Birth: estimated as equal to wife's birth year — about 1909 Death: July 1975 |
| wife |
Helen Carolyn Lassle Birth: October 16, 1909 42 25 — Bowdle, Edmunds, South Dakota, USA Death: June 3, 1997 — Bowdle, Edmunds, South Dakota, USA |
| Edward Anthony Wiederhold sr. + Helen Carolyn Lassle |
| wife’s husband |
Edward Anthony Wiederhold sr. Birth: May 13, 1915 34 23 — Ada, South Dakota, USA Death: August 25, 1992 — Michigan City, La Porte, Indiana, USA |
| wife |
Helen Carolyn Lassle Birth: October 16, 1909 42 25 — Bowdle, Edmunds, South Dakota, USA Death: June 3, 1997 — Bowdle, Edmunds, South Dakota, USA |
| step-son |
Roger R. Wiederhold Birth: April 19, 1939 23 29 — Edmunds county, South Dakota, USA Death: before February 23, 1998 |
| step-daughter |
Private |