A. Blömer, Die Viersener Vorfahren der Maria Catharina Weyer (1800-1862), Mönchengladbach 1999, S. 18
___________________ | ___________________|___________________ | Johannes BOLTEN | ___________________ | (1683-1750)x1711 | | | |___________________|___________________ | Wilhelm WEYER | | (1717-1783)x1738 | Hermann WEYER > | | | (1610-....)x1635 | | Heinrich WEYER | Maria | | | (1644-1710)x1667 | | Gertrud WEYER | | (1680-1747)x1711 | Peter HAGENS | | | x1640 | | Helena HAGENS | Grietgen | (1645-1711)x1667 |--Sibylla WEYER | (1751-....) ___________________ | | | ___________________|___________________ | | | ___________________| ___________________ | | | | | | |___________________|___________________ | | | Margaretha VOET | ___________________ (1714-1788)x1738 | | | ___________________|___________________ | | |___________________| ___________________ | | |___________________|___________________