| Bretthorst, Betty Sophie Magdalene Dorothee | 1934 | Bremen 1 | |
| Bretthorst, Carl | 1898 | Bremen | |
| Bretthorst, Christ. Ludw. Friedr. | 1893 | Bremen | |
| Bretthorst, Christ. Ludw.Friedr. | 1919 | Bremen 1 | |
| Bretthorst, Christn. Ludw. Friedr. | 1924 | Bremen 1 | |
| Bretthorst, Joh. Carl | 1925 | Bremen 1 | |
| Bretthorst, Karoline Marie | 1900 | Grambke | |
| Bretthorst, Ludewig | 1900 | Bremen | |
| Bretthorst, Ludw. | 1928 | Bremen 1 | |
| Bretthorst, Rosine Elisabeth | 1919 | Bremen 1 |