B. Koerner / E. Strutz, Bergisches Geschlechterbuch 2 (DGB 35), Görlitz 1922, S. 436
A. Blömer, Ahnenliste der Geschwister Wienandts zu Rheydt, Mönchengladbach 1984, S. 11
__ | ____________________|__ | ____________________| __ | | | | |____________________|__ | Wilhelm FRÖHLEN | __ | (1723-1801)x1759 | | | | ____________________|__ | | | | |____________________| __ | | | | |____________________|__ |--Anna Katharina FRÖHLEN | (1762-1802)x1787 __ | | | Heinrich POSTHAUS |__ | | (....-1725)x1693 | Heinrich POSTHAUS | __ | | (1693-1753)x1725 | | | | | N. |__ | | x1693 | Anna Katharina POSTHAUS | __ (1737-1770)x1759 | | | Luther HAMACHER |__ | | x1680 | Agnes HAMACHER | __ (1696-1761)x1725 | | | Agnes MAHNERTZ |__ x1680