| | Johann Julius Borkenhagen 1843–1910 Caroline Willenbrecht 1848–1923 | | | | Friederique Saurien 1813–1861 | | | | Gottlieb (Gottfried) Borkenhagen 1771–1844 |
| | | Gottfried Saurien 1788–1850 Johanna Heinrietta Willenbrecht 1789–1845 |
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| | | Johann Gottfried Willenbrecht –1903 | | | | Johann Willenbrecht 1792–1852 |
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