B. Koerner / E. Strutz, Bergisches Geschlechterbuch 3 (DGB 83), Görlitz 1935, S. 220
____________________________ | _______________________________|____________________________ | ________________________________| ____________________________ | | | | |_______________________________|____________________________ | Caspar Heinrich RURMANN | ____________________________ | (1805-1863)x1843 | | | | _______________________________|____________________________ | | | | |________________________________| ____________________________ | | | | |_______________________________|____________________________ |--Emilia RURMANN | (1846-....)x1867 Johann Abraham TROOST > | | (1737-1822)x1762 | Johann Abraham TROOST | Helena Christina KORTHAUS > | | (1762-1840)x1788 (1734-1795) | Eduard Abraham TROOST | | | (1791-1869)x1813 | Konrad Arnold aufm ORTH > | | | | (1724-1804)x1753 | | | Maria aufm ORTH | Maria Elisabeth DENDAS | | (1765-1823)x1788 (1726-1796) | Laura TROOST | (1821-1847)x1843 | Johann van der BEECK > | | (1734-1802)x1752 | Johann Abraham van der BEECK | Anna Gertrud RUHR > | | (1757-1832)x1790 (1732-1773) | Maria Elisabeth van der BEECK | (1791-1833)x1813 | Abraham SOMBART > | | (1738-1821)x1761 | Maria Elisabeth SOMBART | Irmgard PIEPER > (1763-1825)x1790 (1739-....)