| Name | Bertha Wilhelmine Kalvas | |
| Birth | 1857 | |
| Born | 6 Jun 1857 | Philippinenhof, Starnitz, Stolp, Pommern |
| Gender | Female | |
| Baptism | 8 Jun 1857 | Groß Dübsow, Stolp, Pommern |
| Person ID | I6143 | Dworsky (Stolp) |
| Father | Christian Fridrich Heinrich Kalfass, b. 1 Sep 1812, Wendisch Karstnitz, Stolp, Pommern | |
| Relationship | natural | |
| Mother | Ernestine Louise Simon | |
| Relationship | natural | |
| Family ID | F3757 | Group Sheet | Family Chart |