O. von Beckerath, Familie von Beckerath II, Krefeld 1936, S. 16
___________________ | Heinrich WINKELMANN |___________________ | x1660 Johann WINKELMANN | ___________________ | (1660-1713)x1699 | | | | N. |___________________ | x1660 Leonhard WINKELMANN | | (1705-1752)x1729 | Leonhard KUHLEN > | | | (1603-1668)x1630 | | Heinrich KUHLEN | Margaretha | | | (1632-1680)x1665 (....-1667) | | Christina KUHLEN | ___________________ | (1670-....)x1699 | | | | Agnes |___________________ | x1665 |--Jakob WINKELMANN | (1738-....)x1777 ___________________ | | | ______________________|___________________ | | | ____________________| ___________________ | | | | | | |______________________|___________________ | | | Maria Anna KREY | ___________________ (....-1759)x1729 | | | ______________________|___________________ | | |____________________| ___________________ | | |______________________|___________________