Elfriede Beukelmann 1908– | | |
| | | | | | Johann Heinrich Diettrich Wilhelm Kohlmann – |
| | | Wilhelm Beukelmann 1829–1877 Katharine Theodore Wilhelmine Kottenhoff 1832–1908 | | | | Heinrich Wilhelm Beukelmann – Katharine Elisabeth Hollinde – | | | | Heinrich Wilhelm Beukelmann – |
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| | | Diettrich Johann Kottenhoff 1795–1877 Johanna Margarethe Hermine Theodore Mertin 1810–1828 | | | | Johann Dietrich Kottenhoff 1750– Johanna Katharina Maria Brauckmann 1773–1808 | | | | Johann Dietrich Kottenhoff 1725–1793 Anna Katharina Sunthoff 1728–1794 | | |
| | | Johann Georg Brauckmann – |
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| | | Johann Dietrich Mertin –1818 Klara Katharina Hemming 1801– |
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