A. Blömer, Die Vorfahren des Johann Heinrich Blanckerts, Mönchengladbach 2006, S. 16, 36
Arnold | (1540-....) Heinrich ARETZ | N. | (1570-1627)x1600 Arnold von VOLLENBROICH | ___________________ | (1604-1674)x1624 | | | | N. |___________________ | x1600 Heinrich VOLLENBROICH | ___________________ | (1641-1694)x1691 | | | | Peter STIELKES |___________________ | | | x1601 | | Liverda BAUM | ___________________ | (1605-1678)x1624 | | | | Katharina BAUMS |___________________ | x1601 |--Anna VOLLENBROICH | (1694-1783)x1720 ___________________ | | | ___________________|___________________ | | | Vinzenz COENEN | ___________________ | | (1620-....)x1645 | | | | |___________________|___________________ | | | Gertrud COENEN | ___________________ (1661-1697)x1691 | | | ___________________|___________________ | | | Eva WEYSSEN | ___________________ (1625-....)x1645 | | |___________________|___________________