| | HUGO Marie DE VRIES Prof. 1848–1935 Louise Elisabeth EGELING 1855–1943 | | | | Jakob LUCAS EGELING Dr. 1824–1892 Sophie MAGDALENE KNOBLAUCH 1829–1882 | | | | Johann Christian CARL KNOBLAUCH 1789–1878 Elisabetha LOUISE FRESENIUS 1792–1854 | | | | Christian LUDWIG KNOBLAUCH 1761–1849 Sophia Catharina STELLWAG 1763–1825 | | |
| | | Andreas Ludwig Christian FRESENIUS 1746–1820 Christine Auguste Wilhelmine JAN 1759–1843 | | |
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