H.F. Macco, Geschichte und Genealogie der Familien Peltzer, Aachen 1901, S. 94
_____________________ | _____________________________|_____________________ | Christoph THÖNEN | _____________________ | x1737 | | | |_____________________________|_____________________ | Johann Karl THÖNEN | _____________________ | (1747-....)x1777 | | | | Peter Engelbert KNEVEL |_____________________ | | | (1667-1741) | | Anna Maria Katharina KNEVEL | _____________________ | (1715-....)x1737 | | | | N. |_____________________ |--Johanna Carolina THÖNEN | (1785-1874)x1809 _____________________ | | | _____________________________|_____________________ | | | Adolf JÖRGENS | _____________________ | | (1720-....)x1752 | | | | |_____________________________|_____________________ | | | Katharina Elisabeth JÖRGENS | (1756-....)x1777 | Diedrich STEINWEG > | | (1640-....)x1669 | Winand STEINWEG | Barbara ERNST > | | (1670-....)x1718 (1648-....) | Johanna Maria Barbara STEINWEG | (1722-1798)x1752 | Bruno ROELEN | | (1645-1718)x1675 | Katharina Elisabeth ROELEN | Johanna Maria BOCK > (1685-....)x1718 (1648-1718)