| Bortels, Dorothe Sophie Minna | 1923 | Bremen 1 | |
| Bortels, Friedr. Wilh. | 1919 | Bremen 1 | |
| Bortels, Georg Heinrich | 1940 | Bremen-Mitte | |
| Bortels, Heinr. Friedr. Adolf | 1907 | Bremen 1 | |
| Bortels, Joh. Heinr. Wilh. | 1911 | Bremen 1 | |
| Bortels, Käthi Johanne Wilhelmine | 1918 | Bremen 3 (Woltm.hsn) | |
| Bortels, Marie Auguste Sophie | 1921 | Bremen 1 | |
| Bortels, Wilh. Hugo | 1933 | Bremen 1 | |
| Bortels, Wilhelmine Marie Helene | 1933 | Bremen 1 |