1788 - 1836 (47 years)(Notes: You may have to scroll down or right to see chart.)
| Johann Christian Schlack 1788-1836 |
| Johann Christian Schlack | |
| B: | 29 Dec 1788 |
| Siedkow, Belgard, Pommern | |
| D: | 1 Feb 1836 |
Wilhelmine Caroline Venzke 1793-1850 |
| Wilhelmine Caroline Venzke | |
| B: | 10 Mar 1793 |
| Siedkow, Belgard, Pommern | |
| D: | 14 Oct 1850 |
