| Wilhelm Heinrich Ketteltasche | |
| *: | 6 Nov 1885 |
| D-Bochum-Weitmar | |
1890-
| Auguste Schoeps | |
| *: | 27 Aug 1890 |
| D-Bochum | |
| oo: | 14 Okt 1911 |
| D-Bochum-Stiepel | |
1912-
| Caroline Josefine Koch | |
| *: | 12 Mrz 1912 |
| D-Bochum-Stiepel | |
| Karl Wilhelm Friedrich Koch | |
| *: | 25 Aug 1914 |
| D-Bochum-Stiepel | |
1891-1955
| Alwine Elisabeth Ketteltasche | |
| *: | 22 Okt 1891 |
| D-Bochum-Stiepel | |
| +: | 31 Mrz 1955 |
| D-Bochum | |
1885-1970
| Friedrich Gustav Albert Koch | |
| *: | 14 Apr 1885 |
| D-Bochum-Stiepel | |
| oo: | 15 Feb 1911 |
| D-Bochum-Stiepel | |
| +: | 7 Apr 1970 |
| D-Warstein | |
1896-1954
| Anna Lina Ketteltasche | |
| *: | 22 Mai 1896 |
| D-Bochum-Stiepel | |
| +: | 16 Mrz 1954 |
| D-Bochum | |