| Orthmann, Bianca Helga Margot Kora | Orthmann Margot Kora | 1950 | |
| Orthmann, Emma Auguste | Unruh | Orthmann Ernst August | 1963 |
| Orthmann, Ernst August | 1951 | ||
| Orthmann, Friedrich | Orthmann Meta | 1975 | |
| Orthmann, Heinrich Waldemar | 1947 | ||
| Orthmann, Heinz Johann Friedrich | 1966 | ||
| Orthmann, Johann Heinrich Hermann | 1908 | ||
| Orthmann, Maria Magdalena Dorothea | Dahm | Orthmann Paul Fritz Anton | 1961 |
| Orthmann, Marie Adelheid | Hünecke | Orthmann Heinrich Diedrich | 1966 |