https://de.wikipedia.org/wiki/Robert_Friedrich_Froriep
__ | Johann Peter FRORIEP |__ | (1702-1744)x1744 Justus Friedrich FRORIEP | __ | (1745-1800)x1771 | | | | Katharina Magdalena KALLMAR |__ | (1714-1767)x1744 Ludwig Friedrich von FRORIEP | __ | (1779-1847)x1801 | | | | Johann Hermann BECKER |__ | | | x1752 | | Amalia Henriette Sophia BECKER | __ | (1752-1784)x1771 | | | | Gertrud Emerentia ENGELBRECHT |__ | x1752 |--Robert Friedrich FRORIEP | (1804-1861)x1830 __ | | | Justin BERTUCH |__ | | (1718-1752)x1746 | Friedrich Johann Justin BERTUCH | __ | | (1747-1822)x1776 | | | | | Christina Rosina BÜRGER |__ | | (1713-1762)x1746 | Charlotte BERTUCH | __ (1779-1839)x1801 | | | SLEVOIGT |__ | | | Friederika Elisabeth Carolina SLEVOIGT | __ (1751-1810)x1776 | | | N. |__