| Birkmann, Heinrich Wilhelm | 1945 | Bremen-Hemelingen | |
| Birkmann, Johann | 1940 | Bremen-Mitte | |
| Birkmann, Karl Heinrich | 1927 | Bremen 1 | |
| Birkmann, Leonore Rosmarie | Meyer | 1971 | Bremen-Mitte |
| Birkmann, Louise Adele Auguste | Wührmann | 1972 | Bremen-Mitte |
| Birkmann, Minna Bertha Emilie Martha | Schnettmann | 1927 | Bremen 1 |
| Birkmann, Rebecka | Kropp | 1977 | Bremen-Mitte |
| Birkmann, Wilhelm Artur Wöltje | 1945 | Bremen-Hemelingen |