A. Blömer, Die Vorfahren der Johanna Margarethe Schröders, Mönchengladbach 1991, S. 26
♥ = Vorfahren Tillmann WINTZEN > ♥ | (1600-1672)x1625 Wilhelm WINTZEN | Adriana ARETZ | (1633-1692)x1658 (....-1658) Wilhelm WINTZEN | | (1671-1759)x1726 | Johannes ENGELS > | | | (1610-1680)x1632 | | Margaretha ENGELS | Katharina SCHERGENS > ♥ | (1633-1675)x1658 (1610-1680) Johannes WINTZEN | | (1726-....)x1750 | 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) |--Sophia WINTZEN | (1754-1812)x1785 Heinrich ÄHLERS > | | (1605-1660)x1630 | Paulus ÄHLERS | Gertrud SCHRÖERS > | | (1635-1712)x1668 (1610-1669) | Johannes ÄHLERS | | | (1685-....)x1710 | Anton KREMERS | | | | (....-1677)x1650 | | | Maria KREMERS | Wilhelmina WIRTZ | | (1650-1691)x1668 (....-1677) | Elisabeth ÄHLERS | ______________________ (1724-....)x1750 | | | Jakob SCHMITZ |______________________ | | | Margaretha SCHMITZ | ______________________ x1710 | | | Irmgard OBERBACH |______________________