Hardt, Das Geschlecht Hardt aus Lennep, o. O. [ca. 1950], S. 6
Johannes HARDT > | (1585-1655)x1607 Arnold HARDT | Christina | (1608-1668)x1650 Johannes HARDT | ___________________ | (1657-1705)x1693 | | | | Gertrud |___________________ | (1624-....)x1650 Peter HARDT | ___________________ | (1697-1742)x1728 | | | | ___________________________|___________________ | | | | | Maria HACKENBERG | ___________________ | (1670-1729)x1693 | | | |___________________________|___________________ |--Maria Katharina HARDT | (1736-1763)x1758 ___________________ | | | Peter MANNES |___________________ | | (1638-1709)x1665 | Peter MANNES | ___________________ | | (1675-1749)x1701 | | | | | Elisabeth von dem WESTEN |___________________ | | (1642-1684)x1665 | Maria Gertrud MANNES | ___________________ (1706-1780)x1728 | | | Peter GRUND |___________________ | | (1645-1724)x1670 | Katharina GRUND | ___________________ (1677-1754)x1701 | | | Katharina HASENCLEVER |___________________ (1653-1696)x1670