| Ivens, Ad. Heinr. Georg | 1924 | Bremen 1 | |
| Ivens, Adolph Heinrich | 1898 | Bremen | |
| Ivens, Alwine Catharine Franziska | 1921 | Bremen 1 | |
| Ivens, Bernhardine Johanne | 1928 | Bremen 1 | |
| Ivens, Emil Friedrich | 1894 | Bremen | |
| Ivens, Franziska Christine | 1939 | Bremen-Mitte | |
| Ivens, Frieda Marie Emma | 1939 | Freie Hansestadt Bremen | |
| Ivens, Luise Gesine | Siemering | 1935 | Bremen 1 |
| Ivens, Olga Dorothea Wilhelmine | 1940 | Bremen-Mitte |