B. Koerner, Genealogisches Handbuch bürgerlicher Familien (= DGB) 13, Görlitz 1907, S. 402
Johann Peter Caspar GREEFF
| (1756-....)x1777
Peter Wilhelm GREEFF | Maria Katharina BEER
| (1779-1821)x1810 (1755-....)
Friedrich Wilhelm GREEF | ___________________________________
| (1814-1900)x1844 | |
| | Katharina Anna FELDHOFF |___________________________________
| x1810
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)
|--Clara Sophia GREEF
| (1875-....)x1895 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
| | (1734-1818)x1757
| Maximilian KÜPPERS | Ursula KÖNIGS >
| | (1778-....)x1806 (1735-1811)
| Anna Sophia Mathilda KÜPPERS | ___________________________________
(1811-1901)x1833 | |
| Anna Margaretha HEYMER |___________________________________
(....-1835)x1806