| Koss, Amalie Friederike Sophie | 1878 | Bremen | |
| Koss, Anna Helene | Schapals | 1991 | Bremen-Mitte |
| Koss, Carl Gustav Albert | 1978 | Bremen-Mitte | |
| Koss, Ewald Wilh. | 1896 | Bremen | |
| Koss, Horst Karl | 1937 | Blumenthal | |
| Koss, Katharina Gretchen Johanna | Bornemann | 1978 | Bremen-Mitte |
| Koss, Paul Wilhelm | 1973 | Bremen-Mitte | |
| Koss, Renate | 1946 | Bremen-Mitte |