A. Blömer, Ahnenliste des Gottfried Quack (1794-1872) zu Herrath, Mönchengladbach 1996, S. 28
♥ = 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)
Heinrich PÖSTGENS |
| (1729-1792)x1764 | ♥ 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)
|--Wilhelm PÖSTGENS
| (1766-....)x1802 Tillmann WINTZEN > ♥
| | (1600-1672)x1625
| Wilhelm WINTZEN | Adriana ARETZ
| | (1633-1692)x1658 (....-1658)
| Wilhelm WINTZEN |
| | (1671-1759)x1726 | Johann ENGELS >
| | | | (1610-1680)x1632
| | | Margaretha ENGELS | Katharina SCHERGENS > ♥
| | (1633-1675)x1658 (1610-1680)
| Sophia WINTZEN |
(1733-1794)x1764 | Wilhelm SASSERATH >
| | (1633-1682)x1654
| Engel SASSERATH | Katharina SCHERGENS > ♥
| | (1656-1713)x1681 (1632-1684)
| Beatrix SASSERATH |
(1691-1764)x1726 | ♥ Nikolaus KREMERS > ♥
| | (1630-1681)x1650
| Helena KREMERS |♥ Beatrix WELTERS > ♥
(1658-1712)x1681 (1630-1681)