| Grendel, Anna Johanna | 1939 | Freie Hansestadt Bremen | |
| Grendel, Charlotte Alma Minna | 1931 | Grohn | |
| Grendel, Folcke Reinidine Elisabeth | 1929 | Bremen 2 (Hastedt) | |
| Grendel, Gretchen Janette | 1939 | Freie Hansestadt Bremen | |
| Grendel, Horst Wilhelm Ludwig | 1937 | Bremen 1 | |
| Grendel, Karl Friedrich Bernhard | 1909 | Bremen 1 | |
| Grendel, Marga Maria | 1934 | Bremen 1 | |
| Grendel, Wilhelm Gottfried Sophus | 1893 | Lesum |