 | Jacob Friedrich Wilhelm KOSACK (1836-1876)  |
| Gottfried Friedrich JAHNKE (1817-1857) 
|
 | Henriette KOSACK (1823-1900)
|
| Johann Albert JAHNKE (1843- ) |
| Amalie Rosalie Caroline JAHNKE (1846- ) |
| Alwine Louise JAHNKE (1847- ) |
| Therese Rosalie JAHNKE (1850- ) |
| WILHELM Eduard JAHNKE (1854- ) |
| Gustav Wilhelm JAHNKE (1855- ) |
| Bertha Johanna Catharina JAHNKE (1855- ) |
