A. Blömer, Die reformierte Familie Beecker (Becker) aus Mönchengladbach, Mönchengladbach 1986, S. 5, 30 f.
Hein TEWIS | x1603 Konrad ROLOFFS | Katharina to ROLIS | (1605-....)x1632 Heinrich BEECKER | | (1639-1701)x1663 | Quirin am BONNENBROCH > | | | (1557-1615)x1585 | | Gertrud am BONNENBROCH | Sibylla to BIESTEN > | (1603-....)x1632 (1565-1630) Hennes BEECKER | | (1668-1739)x1699 | Hennes im NEUENHAUS > | | | (1585-....)x1605 | | Heinrich im NEUENHAUS | Adelheid | | | (1610-....)x1633 | | Sophia NEUENHAUS | ________________________ | (1639-....)x1663 | | | | Gertrud SCHOMECHER |________________________ | (1610-....)x1633 |--Konrad BEECKER | (1701-1792)x1729 ________________________ | | | _________________________|________________________ | | | Wilhelm DAMMER | ________________________ | | (....-1690)x1665 | | | | |_________________________|________________________ | | | Sibylla DAMMER | ________________________ (1678-1729)x1699 | | | _________________________|________________________ | | | Gertrud SCHWOEN | ________________________ x1665 | | |_________________________|________________________