 | David JAHNKE (1804-1877) 
|
 | Caroline Wilhelmine KOSACK (1829-1900)
|
| August FERDINAND JAHNKE (1850-1939)  |
| CARL Ludwig JAHNKE (1852-1933) |
| Hulda Betha Luise JAHNKE (1855-1928) |
| Wilhelm Emil JAHNKE (1858-1936) |
| Otto Ernst JAHNKE (1861- ) |
| Emilie Amalie Rosalie JAHNKE (1864- ) |
| Minna Therese Amanda JAHNKE (1873- ) |
| Emma KRÖNKE (1886-1967) |
| Albert Adolph JAHNKE (1868- )
|
