A. Blömer, Ahnenliste der Eva Koch aus Wickrathberg, Mönchengladbach 1982, S. 6
♥ = Vorfahren ___________________ | ___________________|___________________ | Diedrich BEYARTZ | ___________________ | (....-1694)x1670 | | | |___________________|___________________ | Heinrich BEYARTZ | ___________________ | (1670-1730)x1694 | | | | ___________________|___________________ | | | | | Eva | ___________________ | x1670 | | | |___________________|___________________ |--Sophia BEYARTZ | (1699-1763)x1730 ___________________ | | | Johannes SIEBEN |___________________ | | x1625 | Matthias SIEBEN | ___________________ | | (1625-1694)x1652 | | | | | Wilhelmina |___________________ | | x1625 | Gertrud SIEBEN | (1670-1730)x1694 | Johannes HINTZEN > | | (1560-....)x1600 | Winand HINTZEN | WELTERS > ♥ | | (1602-1677)x1628 (1580-....) | Sophia HINTZEN | ___________________ (1631-1694)x1652 | | | Gertrud |___________________ (1610-....)x1628