H.L. von Beckerath, Stammbaum von Beckerath nebst Descendenz, Krefeld 1903, S. 128
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 Heinrich JOERES > | | (1565-1608)x1595 | Leonhard KUHLEN | Giertgen LIESEN | | (1603-1668)x1630 (1576-1650) | Heinrich KUHLEN | ___________________ | | (1632-1680)x1665 | | | | | Margaretha |___________________ | | (....-1667)x1630 | Christina KUHLEN | ___________________ (1670-....)x1699 | | | ___________________|___________________ | | | Agnes | ___________________ x1665 | | |___________________|___________________