| Bortmann, Adele Ernestine | Wiegmann | 1950 | Bremen-Vegesack |
| Bortmann, Albertine Johanne Sophie | Lilie | 1958 | Bremen-Vegesack |
| Bortmann, Alfred Max Wilhelm | 1918 | Grambke | |
| Bortmann, Alfred Oskar | 1952 | Bremen-Mitte | |
| Bortmann, Elisabeth | Rieth | 1986 | Bremen-Nord |
| Bortmann, Hans Alfred | 1972 | Bremen-Mitte | |
| Bortmann, Loni Anna-Klara | 1945 | Bremen-Mitte | |
| Bortmann, Margarete Albertine | 1950 | Bremen-Burglesum | |
| Bortmann, Max Karl Otto | 1960 | Bremen-Burglesum | |
| Bortmann, Max Oskar | 1912 | Bremen 1 | |
| Bortmann, Wilhelm Friedrich Alfred | 1985 | Bremen-Mitte |