W. Dovern, Familienbuch der Reformierten Gemeinde in Eschweiler, Jülich 1980, S. 24
♥ = Vorfahren ______________________ | Johannes CLEVEN |______________________ | x1682 Diedrich CLEVEN | | (1685-1755)x1714 | ♥ Diedrich IMMENDORFF> ♥ | | | (1625-....)x1650 | | Cäcilia IMMENDORFF |♥ Adriana zur MAHR > ♥ | (1661-....)x1682 (1625-....) Leonhard CLEVEN | | (1722-....)x1749 | Gerhard HARRETZ | | | (1595-1648)x1628 | | Matthias HARRETZ | Maria WUNTZEN | | | (1640-....)x1673 (1600-1648) | | Johanna Katharina HARRETZ | ______________________ | (1681-1747)x1714 | | | | Agnes ORTHIUS |______________________ | (1650-1722)x1673 |--Isabella Agnes CLEVEN | (1757-....) ______________________ | | | _____________________|______________________ | | | Johann Rudolf SCHENKEL | ______________________ | | (....-1740)x1723 | | | | |_____________________|______________________ | | | Anna Margaretha SCHENKEL | ______________________ (1727-....)x1749 | | | _____________________|______________________ | | | Katharina Elisabeth KALS | ______________________ (....-1786)x1723 | | |_____________________|______________________