Father | MaleGustav Otto Jaensch |
Mother | FemaleAmanda Auguste Wanda Rosentreter |
| Birth | 14 Mar 1871 | Stare Oborzyska, Kościan County, Greater Poland Voivodeship, Poland |
| Death | Bef 1981 | |
| Buried | ||
| Father | Carl Wilhelm Rosentreter | F0410 Group Sheet | |
| Mother | Anna Caroline John | F0410 Group Sheet | |