1846 - 1915 (68 Jahre)
| Wilhelm Koch 1874-1884 |
| Wilhelm Koch | |
| *: | 27 Okt 1874 |
| D-Bochum-Stiepel | |
| +: | 15 Feb 1884 |
| D-Bochum-Stiepel | |
| Karl Koch 1878-1923 |
| Karl Koch | |
| *: | 27 Jan 1878 |
| D-Bochum-Stiepel | |
| +: | 28 Mai 1923 |
| D-Bochum-Stiepel | |
| Anna Elisabeth Goebel gt. Stromberg | |
| *: | 10 Jan 1880 |
| D-Bochum | |
| oo: | 21 Apr 1917 |
| D-Bochum-Stiepel | |
| Franziska Josephine Duelberg | |
| *: | 29 Jan 1912 |
| D-Bochum-Stiepel | |
Wilhelmine Koch 1881-1952 |
| Wilhelmine Koch | |
| *: | 1 Mrz 1881 |
| D-Bochum-Stiepel | |
| +: | 9 Jun 1952 |
| D-Herne | |
| Wilhelm Duelberg 1880-1946 |
| Wilhelm Duelberg | |
| *: | 7 Nov 1880 |
| D-Bochum-Weitmar | |
| oo: | 27 Sep 1909 |
| D-Bochum-Stiepel | |
| +: | 22 Mai 1946 |
| D-Bochum | |
| Caroline Josefine Koch 1912- |
| Caroline Josefine Koch | |
| *: | 12 Mrz 1912 |
| D-Bochum-Stiepel | |
| Karl Wilhelm Friedrich Koch | |
| *: | 25 Aug 1914 |
| D-Bochum-Stiepel | |
| Friedrich Gustav Albert Koch 1885-1970 |
| Friedrich Gustav Albert Koch | |
| *: | 14 Apr 1885 |
| D-Bochum-Stiepel | |
| +: | 7 Apr 1970 |
| D-Warstein | |
| Alwine Elisabeth Ketteltasche 1891-1955 |
| Alwine Elisabeth Ketteltasche | |
| *: | 22 Okt 1891 |
| D-Bochum-Stiepel | |
| oo: | 15 Feb 1911 |
| D-Bochum-Stiepel | |
| +: | 31 Mrz 1955 |
| D-Bochum | |
| Heinrich Koch 1846-1915 |
| Heinrich Koch | |
| *: | 3 Mai 1846 |
| D-Bad Sassendorf | |
| +: | 19 Feb 1915 |
| D-Bochum-Stiepel | |
