Per aspera ad astra
Ernst Dreyer (1838-1905) |
Marie Mecedes Behn (1848- ) 
|
| Cäcliie Dreyer (1872- ) |
Marie Dreyer (1877- )  |
| Wilhelmine Dreyer (1879- ) |
| Elisabeth Dreyer (1882-1909) |
| Thea Dreyer (1884-1969) |
| Alma Dreyer (1875- )
|
| Maria Dorothea Lange (1908-1975) |
| Ernst Friedrich Lange (1911-1964) |
