B. Koerner / E. Strutz, Bergisches Geschlechterbuch 3 (DGB 83), Görlitz 1935, S. 479
_____________________ | Johann Christian MODERSOHN |_____________________ | (1747-....)x1767 Johann Christian MODERSOHN | | (1768-....)x1791 | Hermann SOMMERKAMP | | | x1748 | | Anna Margaretha SOMMERKAMP | N. | (1748-....)x1767 Hermann Heinrich Wilhelm MODERSOHN | _____________________ | (1791-....)x1832 | | | | Wilhelm SOMMERKAMP |_____________________ | | | x1766 | | Margaretha Elisabeth SOMMERKAMP | _____________________ | (1766-....)x1791 | | | | N. |_____________________ | x1766 |--Charlotte Rebecca Luisa MODERSOHN | (1843-1917)x1866 _____________________ | | | _____________________________|_____________________ | | | Johann Bernhard MATTENKLODT | _____________________ | | x1810 | | | | |_____________________________|_____________________ | | | Dorothea Luisa MATTENKLODT | _____________________ (1812-....)x1832 | | | _____________________________|_____________________ | | | Dorothea RAESFELD | _____________________ x1810 | | |_____________________________|_____________________