1898 - 1974 (75 Jahre)
| Gustav Wilhelm Hermann Koellermeier 1898-1974 |
| Gustav Wilhelm Hermann Koellermeier | |
| *: | 24 Dez 1898 |
| D-Oerlinghausen | |
| +: | 1 Jul 1974 |
| D-Solingen | |
Lina Hulda Adolphine Trebbe 1902-1969 |
| Lina Hulda Adolphine Trebbe | |
| *: | 4 Feb 1902 |
| D-Witten-Herbede | |
| oo: | 16 Sep 1921 |
| D-Witten | |
| +: | 8 Feb 1969 |
| D-Bochum-Langendreer | |
