| Vennemann, Conrad Berend | 1914 | Blumenthal | |
| Vennemann, Conrad Berend | 1925 | Blumenthal | |
| Vennemann, Heinrich Emil | 1938 | Blumenthal | |
| Vennemann, Philipp Aug. | 1887 | Bremen | |
| Vennemann, Franz Anton Joh. | 1916 | Bremen 1 | |
| Vennemann, Joh. Friedr. Albert | 1907 | Bremen 1 | |
| Vennemann, Johann Friedrich Albert | 1936 | Bremen 1 | |
| Vennemann, Käthe Anni | 1933 | Bremen 1 | |
| Vennemann, Wilhelmine Elise | 1906 | Bremen 2 (Hastedt) | |
| Vennemann, Joachim Karl | 1940 | Bremen-Mitte | |
| Vennemann, Marie Elisabeth | 1892 | Hastedt |