Family: Wilhelm August Dreyer / Emma Unknown (F79802)
Georg Rudolph Dreyer (1855-1938) 
|
Theresia Kast (1857- )
|
| Rudolf Anton Dreyer (1875- ) |
Julius Caesar Dreyer (1876-1932)  |
| Hermann Dreyer (1878-1965) |
| Karl Joseph Dreyer (1882-1965) |
| Rosalia Katharina Dreyer (1884- ) |
| Johannes Ludwig Dreyer (1885-1958) |
| Wilhelm August Dreyer (1880-1953)
|