| Heckmann, Anton | Haar | 1822 | Bremen |
| Heckmann, Helena | Haar | 1816 | Bremen |
| Heckmann, Hinrich | Oetting | 1849 | Bremen |
| Heckmann, Johann Georg | Haar | 1820 | Bremen |
| Heckmann, Johann Georg | Oetting | 1850 | Bremen |
| Heckmann, Johann Gerhard Jacob | Haar | 1817 | Bremen |
| Heckmann, Johann Heinrich Diederich | Heckmann | 1864 | Grambke |
| Heckmann, Metta Margaretha | Haar | 1813 | Bremen |
| Heckmann, NN | Oetting | 1852 | Bremen |
| Heckmann, Otto Hinrich | Haar | 1819 | Bremen |
| Heckmann, Pauline Henriette Rebecca | Bollenius | 1840 | Bremen |