C. vom Berg, Geschichte der Familie Buchholz, Düsseldorf 1920, Teil I, S. 63
Hardt, Das Geschlecht Hardt aus Lennep, o. O. [ca. 1950], S. 68
C. Pick, Familienbuch Lennep 1654-1809, Plaidt 2014, S. 1006, 1263
Johannes HARDT > | (1585-1655)x1607 Melchior HARDT | Christina | (1618-1692)x1644 Johann Daniel HARDT | | (1665-1713)x1687 | Johann FABRITIUS > | | | (1585-1631) | | Anna Elisabeth FABRITIUS | N. | (1624-1693)x1644 Peter Caspar HARDT | _______________________ | (1703-1757)x1731 | | | | Johannes FRIELINGHAUS |_______________________ | | | (1604-1678)x1653 | | Maria FRIELINGHAUS | _______________________ | (1661-1724)x1687 | | | | Gertrud |_______________________ | (1630-1718)x1653 |--Anna Maria HARDT | (1732-1798)x1758 Caspar CLARENBACH > | | (1600-1661)x1626 | Caspar CLARENBACH | Margaretha BECKER > | | (1629-1719)x1660 (1600-1681) | Peter CLARENBACH | | | (1661-1736)x1684 | Johannes HALBACH > | | | | (1614-1696)x1633 | | | Margaretha HALBACH | Katharina GOLDENBERG | | (1637-1702)x1660 (1616-1695) | Gertrud CLARENBACH | (1697-1782)x1731 | Peter FUHRMANN > | | (1600-1673) | Martin FUHRMANN | Katharina | | (1621-1674)x1650 (1600-1676) | Katharina Margaretha FUHRMANN | _______________________ (1665-1699)x1684 | | | Christina aus der BEEK |_______________________ (1625-....)x1650