| Klett, Amalie Sophie Auguste | 1902 | Bremen 1 | |
| Klett, Auguste | 1942 | Bremen-Mitte | |
| Klett, Bruno | 1927 | Bremen 4 (Horn) | |
| Klett, Clara Auguste | 1921 | Bremen 1 | |
| Klett, Dorothee Klara Sophie | 1908 | Bremen 1 | |
| Klett, Franz Alfred | 1934 | Blumenthal | |
| Klett, Marianne | 1942 | Bremen-Mitte | |
| Klett, Max Carl | 1939 | Bremen-Mitte |