| Frommknecht, Ida Selma | Niemann | Frommknecht Wilhelm Friedrich | 1959 |
| Frommknecht, Justine Auguste | Hennings | Frommknecht Walter Constantin Friedolin | 1947 |
| Frommknecht, Mercedes Gertrud | Crespi | Frommknecht Walter Hermann Fridolin | 1975 |
| Frommknecht, Walter Constantin Friedolin | 1957 |