| Spekker, Adriana Cornelia | 1901 | Bremen | |
| Spekker, Heinrich Bernhard Johann | 1921 | Bremen 1 | |
| Spekker, Maria Adriana Swanette | 1902 | Bremen | |
| Spekker, Mary Auguste | Krug | 1985 | Bremen-Mitte |
| Spekker, Peter Joh.es Gerardus | 1898 | Bremen | |
| Spekker, Petronella Maria Charlotte | 1920 | Bremen 1 | |
| Spekker, Staats | 1884 | Walle | |
| Spekker, Staats, Dr. phil. | 1884 | Bremen | |
| Spekker, Uko Müller | 1901 | Bremen |