A. Blömer, Ahnenliste der Irmgard Krapohl verh. Frau Coenen aus Jüchen, Mönchengladbach 1997, S. 82
____________________ | ___________________|____________________ | ___________________| ____________________ | | | | |___________________|____________________ | N. | ____________________ | x1774 | | | | ___________________|____________________ | | | | |___________________| ____________________ | | | | |___________________|____________________ |--Wilhelm Heinrich WEYERS | (1775-1835)x1807 Heinrich WEYERS | | (1655-....)x1680 | Albert WEYERS | Lehn MICHELS | | (1682-1760)x1709 | Heinrich WEYERS | | | (1710-1775)x1738 | Werner OTTEN > | | | | (1654-....)x1682 | | | Katharina OTTEN | Beatrix BERKES | | (1688-1757)x1709 (....-1698) | Katharina WEYERS | (1750-1794)x1774 | Matthias KAULEN | | (1635-....)x1659 | Christian KAULEN | Maria MEYER | | (1677-1761)x1704 | Sophia KAULEN | (1718-1774)x1738 | Heinrich GÖRTZ > | | (1647-1719)x1680 | Eva GÖRTZ | Katharina JUNKERS > (1682-....)x1704 (1652-....)