A. Blömer, Die Vorfahren der Johanna Margarethe Schröders, Mönchengladbach 1991, S. 23
A. Blömer, Familien Mehls aus Beckrath, Herrath und Venrath, Mönchengladbach 2000, S. 43
♥ = Vorfahren ___________________
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♥ Diedrich KORSTEN |___________________
| (1580-1637)x1610
Johann ZIMMERMANN | ___________________
| (1610-1658)x1636 | |
| |♥ Anna |___________________
| (....-1637)x1610
Adam ZIMMERMANN |
| (1643-1710)x1678 | Johannes SIEBEN >
| | | (1555-1608)x1585
| | Adam SIEBEN | N.
| | | (1585-1636)x1615
| | Margaretha SIEBEN | ___________________
| (1615-1677)x1636 | |
| | Katharina HOSTER |___________________
| (....-1636)x1615
|--Katharina ZIMMERMANN
| (1685-....)x1710 ___________________
| |
| ___________________|___________________
| |
| ____________________| ___________________
| | | |
| | |___________________|___________________
| |
| Katharina SIEBEN | ___________________
(1650-....)x1678 | |
| ___________________|___________________
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|____________________| ___________________
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|___________________|___________________