A. Blömer, Die Vorfahren der Johanna Margarethe Schröders, Mönchengladbach 1991, S. 24
♥ = Vorfahren ___________________
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♥ Diedrich KORSTEN |___________________
| (1580-1637)x1610
Johann ZIMMERMANN | ___________________
| (1610-1658)x1636 | |
| |♥ Anna |___________________
| (....-1637)x1610
Caspar ZIMMERMANN |
| (1645-1700)x1672 | Johannes SIEBEN >
| | | (1555-1608)x1585
| | Adam SIEBEN | N.
| | | (1585-1636)x1615
| | Margaretha SIEBEN | ___________________
| (1615-1677)x1636 | |
| | Katharina HOSTER |___________________
| (....-1636)x1615
|--Margaretha ZIMMERMANNS
| (1686-1714)x1710 ___________________
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| ___________________|___________________
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| Wilhelm THOMASSEN | ___________________
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| Ida THOMASSEN | ___________________
(1650-1708)x1672 | |
| ___________________|___________________
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| Sibylla | ___________________
x1650 | |
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