H. Strehlau / M. Strutz-Ködel, Bergisches Geschlechterbuch 4 (DGB 168), Limburg/Lahn 1974, S. 75
C. Pick, Familienbuch Lennep 1654-1809, Plaidt 2014, S. 2068
_____________________ | _______________________|_____________________ | ______________________| _____________________ | | | | |_______________________|_____________________ | Peter Caspar von POLHEIM | _____________________ | (1697-1749)x1730 | | | | _______________________|_____________________ | | | | |______________________| _____________________ | | | | |_______________________|_____________________ |--Anna Clara von POLHEIM | (1731-1796)x1760 _____________________ | | | Johann ÖLVERMANN |_____________________ | | (1634-1699)x1655 | Johannes ÖLVERMANN | | | (1674-1732)x1701 | Peter HACKENBERG | | | | (1604-1677)x1635 | | | Christina HACKENBERG | N. | | (1635-1711)x1655 | Anna Katharina ÖLVERMANN | _____________________ (1703-1764)x1730 | | | Caspar HAMMACHER |_____________________ | | (1652-1695)x1679 | Katharina HAMMACHER | (1680-1735)x1701 | Caspar WINDGASSEN > | | (1632-1695)x1659 | Katharina WINDGASSEN | Clara FRIELINGHAUS > (1660-1733)x1679 (1631-1695)