A. Blömer, Die reformierte Familie Gietmann (Gethmann) aus Monheim und Hilden, Mönchengladbach 1996, S. 17, 25
________________________ | _______________________|________________________ | ______________________| ________________________ | | | | |_______________________|________________________ | Johannes URDENBACH | ________________________ | (1710-1744)x1737 | | | | _______________________|________________________ | | | | |______________________| ________________________ | | | | |_______________________|________________________ |--Anna Katharina URDENBACH | (1741-1803)x1760 ________________________ | | | Johannes HALFMANN |________________________ | | (....-1707)x1666 | Diedrich HALFMANN | | | (1680-1718)x1707 | Diedrich CLEVENHAUS | | | | (....-1679)x1645 | | | Elisabeth CLEVENHAUS | Katharina im SCHWANEN | | (1645-1707)x1666 (1620-1678) | Anna Christina HALFMANN | (1710-1758)x1737 | Gotthard TILLMANS | | | Peter TILLMANS | N. | | x1686 | Anna Maria TILLMANS | (1687-1712)x1707 | Heinrich KIRBERG | | (1620-1682)x1645 | Katharina KIRBERG | Anna Maria TIETENBERG (1655-1713)x1686 (....-1682)