| Hartjens, Anna | Schröder | 1935 | Bremen 1 |
| Hartjens, Arnold Christoph Wilhelm | 1949 | Bremen-Mitte | |
| Hartjens, Bernhard Georg | 1950 | Bremen-Mitte | |
| Hartjens, Bertha Christine | 1931 | Bremen 1 | |
| Hartjens, Christoph | 1935 | Bremen 1 | |
| Hartjens, Clara Maria Carolina | Schnieder | 1946 | Bremen-Mitte |
| Hartjens, Clara Marie Anna Elisabeth | 1921 | Bremen 1 | |
| Hartjens, Fritz | 1946 | Bremen-Mitte | |
| Hartjens, Johann Heinrich | 1893 | Bremen | |
| Hartjens, Susanna Margaretha | Behrens | 1948 | Bremen-Mitte |