H. Strehlau / M. Strutz-Ködel, Bergisches Geschlechterbuch 4 (DGB 168), Limburg/Lahn 1974, S. 102
C. Pick, Familienbuch Lennep 1654-1809, Plaidt 2014, S. 1954
________________________ | _____________________|________________________ | Johann ÖLVERMANN | ________________________ | (1634-1699)x1655 | | | |_____________________|________________________ | Johannes ÖLVERMANN | ________________________ | (1674-1732)x1701 | | | | Peter HACKENBERG |________________________ | | | (1604-1677)x1635 | | Christina HACKENBERG | ________________________ | (1635-1711)x1655 | | | | N. |________________________ | x1635 |--Anna Katharina ÖLVERMANN | (1703-1764)x1730 ________________________ | | | _____________________|________________________ | | | Caspar HAMMACHER | ________________________ | | (1652-1695)x1679 | | | | |_____________________|________________________ | | | Katharina HAMMACHER | (1680-1735)x1701 | Engel WINDGASSEN | | (1601-1676)x1630 | Caspar WINDGASSEN | N. | | (1632-1695)x1659 | Katharina WINDGASSEN | (1660-1733)x1679 | Diedrich FRIELINGHAUS | | (1605-1681)x1631 | Clara FRIELINGHAUS | N. (1631-1695)x1659