B. Koerner / E. Strutz, Bergisches Geschlechterbuch 2 (DGB 35), Görlitz 1922, S. 196
__ | __|__ | Peter van ALPEN | __ | x1695 | | | |__|__ | Johann Heinrich van ALPEN | __ | (1695-1758)x1719 | | | | __|__ | | | | | Katharina | __ | x1695 | | | |__|__ |--Mechthild van ALPEN | (1731-....)x1754 __ | | | __|__ | | | ___________________| __ | | | | | | |__|__ | | | Margaretha BRUCHHAUS | __ (....-1758)x1719 | | | __|__ | | |___________________| __ | | |__|__