E. Strutz, Geschichte der Rübel von Elberfeld, Neustadt/Aisch 1956, S. 557
U. Ernestus, Familienbuch Elberfeld 1648-1769, Plaidt 2013, Nr. H780.3
__ | __|__ | Peter HECKER | __ | (1669-1736)x1699 | | | |__|__ | Johann Peter HECKER | __ | (1709-....)x1740 | | | | __|__ | | | | | Maria Katharina SCHWARTZ | __ | x1699 | | | |__|__ |--Anna Gertrud HECKER | (1742-....)x1775 __ | | | __|__ | | | ___________________________| __ | | | | | | |__|__ | | | Anna Gertrud SCHEEL | __ x1740 | | | __|__ | | |___________________________| __ | | |__|__