| Kupfer, Anton Arnulf | 1919 | Bremen 1 | |
| Kupfer, Emma Margarethe | 1942 | Bremen-Vegesack | |
| Kupfer, Erich Hugo | 1930 | Bremen 5 (Gröpelingen) | |
| Küpfer, Gretchen Luise Sophie | Schmidt | 1921 | Bremen 3 (Woltm.hsn) |
| Kupfer, Johann Traugott | 1901 | Bremen | |
| Kupfer, Reinhard Oskar | 1919 | Bremen 3 (Woltm.hsn) | |
| Kupfer, Walter Wilhelm | 1928 | Lankenau |