B. Koerner, Genealogisches Handbuch bürgerlicher Familien (= DGB) 13, Görlitz 1907, S. 402
___________________________________ | ___________________________|___________________________________ | Friedrich Wilhelm GREEF | ___________________________________ | (1814-1900)x1844 | | | |___________________________|___________________________________ | Paul Friedrich Wilhelm GREEF | | (1845-1913)x1869 | Diedrich PREYER > | | | (1735-1809)x1783 | | Paul Jakob Quirin PREYER | Sara GILLESSEN > | | | (1795-1870)x1819 (1762-1816) | | Sara Mathilde PREYER | | (1821-1902)x1844 | Johannes Wilhelm Diedrich LENßEN > | | | (1774-1813)x1793 | | Marianne LENßEN | Marianne PREYER > | (1797-1863)x1819 (1774-1867) |--Sara Martha GREEF | (1878-....)x1898 Johannes FURMANS > | | (1736-1816)x1765 | Matthias FURMANS | Sophia to RIETH > | | (1768-1843)x1802 (1741-1808) | Johann Wilhelm FURMANS | | | (1805-1882)x1833 | Wilhelm PFERDMENGES > | | | | (1723-1795)x1752 | | | Maria PFERDMENGES | Johanna DRIESCHER > | | (1775-1832)x1802 (1732-1818) | Johanna Sophia FURMANS | (1845-1923)x1869 | Hermann Gottfried KÜPPERS | | x1760 | Maximilian KÜPPERS | Ursula KÖNIGS | | (1780-....)x1806 | Anna Sophia Mathilda KÜPPERS | ___________________________________ (1811-1901)x1833 | | | Anna Margaretha HEYMER |___________________________________ (....-1835)x1806