A. Blömer, Ahnenliste des Gottfried Quack (1794-1872) zu Herrath, Mönchengladbach 1996, S. 29 (ohne die Ehe)
♥ = Vorfahren Johann PÖSTGENS
| (1635-....)x1661
Konrad PÖSTGENS | Elisabeth ZIMMERMANN >
| (1665-1729)x1695 (1640-1677)
Albert PÖSTGENS |
| (1701-1759)x1728 | Albert SASSERATH > ♥
| | | (1624-1684)x1649
| | Agnes SASSERATH | Helena KAMPHAUSEN >
| (1662-1728)x1695 (1624-1680)
Konrad PÖSTGENS |
| (1732-1809)x1766 | ♥ Jakob MAUS > ♥
| | | (1622-1695)x1647
| | Heinrich MAUS |♥ Gertrud ZIMMERMANN > ♥
| | | (1658-1728)x1688 (1625-1686)
| | Anna MAUS |
| (1699-....)x1728 | Nikolaus CLAßEN >
| | | (1645-1688)x1664
| | Christina CLAßEN | Sibylla BLEECK
| (1665-1734)x1688 (....-1670)
|--Maria Katharina PÖSTGENS
| (1784-1863)x1809 _______________________
| |
| ___________________|_______________________
| |
| Wilhelm GÜTGES | _______________________
| | (....-1761)x1737 | |
| | |___________________|_______________________
| |
| Christina GÜTGES | _______________________
(1744-....)x1766 | |
| ___________________|_______________________
| |
| Anna DAHMEN | _______________________
(1715-1780)x1737 | |
|___________________|_______________________