1861 - 
1880-
| Friedrich Kortwig | |
| *: | 26 Apr 1880 |
| D-Bochum-Stiepel | |
1883-1917
| Gustav Kortwig | |
| *: | 30 Sep 1883 |
| D-Bochum-Stiepel | |
| +: | 21 Dez 1917 |
| D-Bochum-Stiepel | |
1883-1976
| Wilhelmina Mueser | |
| *: | 29 Mai 1883 |
| D-Bochum-Stiepel | |
| oo: | 15 Aug 1908 |
| D-Bochum-Stiepel | |
| +: | 7 Mai 1976 |
| D-Bochum-Linden-Dahlhausen | |
| Friedrich August Walter Kortwig | |
| *: | 6 Jul 1911 |
| D-Bochum-Stiepel | |
1913-
| Anna Kortwig | |
| *: | 8 Apr 1913 |
| D-Bochum-Stiepel | |
1886-1962
| August Kortwig | |
| *: | 3 Sep 1886 |
| D-Bochum-Stiepel | |
| +: | 6 Aug 1962 |
| D-Essen | |
1887-
| Anna Schonefeld | |
| *: | 7 Mrz 1887 |
| D-Bochum-Stiepel | |
| oo: | 10 Dez 1910 |
| D-Bochum-Stiepel | |
1890-1916
| Otto Kortwig | |
| *: | 22 Nov 1890 |
| D-Bochum-Stiepel | |
| +: | 29 Feb 1916 |
| D-Bochum-Stiepel | |
1894-1983
| Elli Schoepe | |
| *: | 18 Jul 1894 |
| D-Bochum-Stiepel | |
| oo: | 14 Sep 1915 |
| D-Bochum-Stiepel | |
| +: | 17 Mrz 1983 |
| D-Hattingen | |
1895-1968
| Elfriede Friederike Kortwig | |
| *: | 16 Sep 1895 |
| D-Bochum-Stiepel | |
| +: | 27 Dez 1968 |
| D-Bochum | |
1861-
| Lina Matilde Nettelnbeck | |
| *: | 2 Mrz 1861 |
| D-Bochum-Stiepel | |
1854-1925
| Friedrich Heinrich Wilhelm Kortwig | |
| *: | 10 Dez 1854 |
| D-Bochum-Stiepel | |
| oo: | 25 Apr 1879 |
| D-Bochum-Stiepel | |
| +: | 10 Okt 1925 |
| D-Bochum-Stiepel | |
