| Ketelsen, August Heinrich | 1915 | Bremen 1 | |
| Ketelsen, Cornelius Friedr. | 1921 | Bremen 1 | |
| Ketelsen, Cornelius Riewert | 1911 | Bremen 1 | |
| Ketelsen, Diedr. Friedr. | 1935 | Bremen 1 | |
| Ketelsen, Frieda Ella | 1914 | Bremen 1 | |
| Ketelsen, Henry Max Arthur | 1909 | Bremen 1 | |
| Ketelsen, Johannes Cornils | 1898 | Bremen |