| Leefmann, August Arnold | 1989 | Bremen-Nord | |
| Leefmann, Ernstine Pauline | Buresch | 1974 | Bremen-Blumenthal |
| Leefmann, Johann Diedrich | 1980 | Bremen-Nord | |
| Leefmann, Johann Martin | 1983 | Bremen-Mitte | |
| Leefmann, Mariechen Beta | 1927 | Aumund | |
| Leefmann, Wilhelm | 1962 | Bremen-Hemelingen |