A. von Waldthausen, Beiträge zur Geschichte der Familie Huyssen, Düsseldorf 1906, S. 127
Johann Adolf FLASHOFF
| x1686
Johann Wilhelm FLASHOFF | Katharina Elisabeth SCHULE
| (1693-....)x1720
Heinrich Philipp FLASHOFF | _____________________________
| (1734-1791)x1770 | |
| | Anna Maria Christina FELDMANN |_____________________________
| x1720
Franz Wilhelm Christian FLASHOFF | _____________________________
| (1771-1837)x1795 | |
| | Johann Franz KORTMANN |_____________________________
| | | x1746
| | Isabella Sophia KORTMANN | _____________________________
| (1746-1780)x1770 | |
| | Franziska BIELEFELD |_____________________________
| x1746
|--Johanna Christina Theodora FLASHOFF
| (1798-1848)x1820 _____________________________
| |
| ________________________________|_____________________________
| |
| ____________________________| _____________________________
| | | |
| | |________________________________|_____________________________
| |
| Johanna Maria WESTERMANN | _____________________________
(....-1803)x1795 | |
| ________________________________|_____________________________
| |
|____________________________| _____________________________
| |
|________________________________|_____________________________