A. Blömer, Die Viersener Vorfahren der Maria Catharina Weyer (1800-1862), Mönchengladbach 1999, S. 19 (ohne die Ehe)
___________________ | Johannes BOLTEN |___________________ | (1683-1750)x1711 Wilhelm WEYER | | (1717-1783)x1738 | Heinrich WEYER > | | | (1644-1710)x1667 | | Gertrud WEYER | Helena HAGENS > | (1680-1747)x1711 (1645-1711) Johann Heinrich WEYER | ___________________ | (1756-....)x1790 | | | | ___________________|___________________ | | | | | Margaretha VOET | ___________________ | (1714-1788)x1738 | | | |___________________|___________________ |--Hermann WEYER | (1795-1858)x1827 ___________________ | | | ___________________|___________________ | | | Hermann WISFELD | ___________________ | | x1764 | | | | |___________________|___________________ | | | Magdalena WISFELD | ___________________ (1764-1831)x1790 | | | ___________________|___________________ | | | N. | ___________________ x1764 | | |___________________|___________________