A. Blömer, Die Familie von Gehlen aus Wickrathberg, Mönchengladbach 1991, S. 25, 34
https://gedbas.genealogy.net/datenblatt.jsp?nr=1024068624
__ | ____________________|__ | ___________________| __ | | | | |____________________|__ | Adolf ROLOFFS | __ | (1630-1710)x1663 | | | | ____________________|__ | | | | |___________________| __ | | | | |____________________|__ |--Wilhelmina ROLOFFS | (1677-....)x1714 __ | | | Diedrich MÜRCKENS |__ | | (1585-1636)x1614 | Philipp MÜRCKENS | __ | | (1614-1680)x1636 | | | | | Metzgen |__ | | (....-1636)x1614 | Anna MÜRCKENS | __ (1638-1710)x1663 | | | Albert MEWIS |__ | | (....-1636)x1616 | Wilhelmina MEWIS | __ (1616-1680)x1636 | | | N. |__ x1616