Teilhaber der Firma „R. L. Friderichs & Co.“ in Elberfeld
A. Weyersberg, Chronik der Familie Weyersberg zu Solingen, Elberfeld 1893, S. 32
_____________________________ | _______________________________|_____________________________ | Karl Bernhard FRIDERICHS | _____________________________ | (1786-1869)x1819 | | | |_______________________________|_____________________________ | Rudolf Ludwig FRIDERICHS | | (1826-....)x1853 | Wilhelm NENNINGHOVEN | | | x1750 | | Johann Heinrich NENNINGHOVEN | Maria Katharina DRINHAUS | | | (1750-....)x1779 | | Johanna Antonetta NENNINGHOVEN | | (1794-1827)x1819 | Johann Peter KÜLLER | | | (1729-1803) | | Anna Christina KÖLLER | N. | (1758-....)x1779 |--Paul FRIDERICHS | (1854-....)x1888 Peter WEYERSBERG > | | (1722-1782)x1765 | Peter WEYERSBERG | Anna Maria Elisabeth MUMM > | | (1766-1829)x1785 (1734-1773) | Karl Gustav WEYERSBERG | | | (1798-1865)x1829 | Johann Abraham KNECHT > | | | | (1741-1797)x1765 | | | Helena Wilhelmina KNECHT | Maria Luisa Katharina BERG > | | (1768-1833)x1785 (1739-1815) | Clara Helena WEYERSBERG | (1830-....)x1853 | Abraham SCHABERG | | | Johann Nathanael SCHABERG | Anna Margaretha GRAHE | | (1777-1811)x1803 | Helena Rosalia SCHABERG | (1807-1881)x1829 | Abraham GRAHE > | | (1744-1797)x1771 | Anna Maria GRAHE | Anna Katharina HARTKOPF > (1772-1851)x1803 (1747-....)