A. Blömer, Die Viersener Vorfahren der Maria Catharina Weyer (1800-1862), Mönchengladbach 1999, S. 17
_________________________ | ___________________|_________________________ | Johannes BOLTEN | _________________________ | (1683-1750)x1711 | | | |___________________|_________________________ | Hermann WEYER | | (1714-1762)x1739 | Hermann WEYER > | | | (1610-....)x1635 | | Heinrich WEYER | Maria | | | (1644-1710)x1667 | | Gertrud WEYER | | (1680-1747)x1711 | Peter HAGENS | | | x1640 | | Helena HAGENS | Grietgen | (1645-1711)x1667 |--Katharina WEYER | (1752-1756) Konrad ROLOFFS > | | (1605-....)x1632 | Heinrich BEECKER | Gertrud am BONNENBROCH > | | (1639-1701)x1663 (1603-....) | Hennes BEECKER | | | (1668-1739)x1699 | Heinrich im NEUENHAUS > | | | | (1610-....)x1633 | | | Sophia NEUENHAUS | Gertrud SCHOMECHER | | (1639-....)x1663 (1610-....) | Katharina BEECKER | _________________________ (1717-1778)x1739 | | | Wilhelm DAMMER |_________________________ | | (....-1690)x1665 | Sibylla DAMMER | _________________________ (1678-1729)x1699 | | | Gertrud SCHWOEN |_________________________ x1665