W. Dietz, Chronik der Familie Wuppermann, Bd. II, Leverkusen-Schlebusch 1965, S. 100
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__ | Johann Peter ENGSTFELD |__ | (1720-1782)x1747 Diedrich ENGSTFELD | __ | (1755-1818)x1785 | | | | Anna Christina SONDERMANN |__ | (1719-1793)x1747 Peter Friedrich ENGSTFELD | __ | (1793-1848)x1815 | | | | ____________________________|__ | | | | | Maria Katharina HILBERT | __ | (1765-....)x1785 | | | |____________________________|__ |--Bertha Sophia ENGSTFELD | (1819-1913)x1860 __ | | | ____________________________|__ | | | Johann Christian OSIUS | __ | | x1795 | | | | |____________________________|__ | | | Johanna Wilhelmina Christina OSIUS | __ (1797-1857)x1815 | | | ____________________________|__ | | | Maria Sophia KANNEGIEßER | __ x1795 | | |____________________________|__