E. Strutz, Die Ahnentafeln der Elberfelder Bürgermeister und Stadtrichter, Neustadt/Aisch ²1963, S. 67, 198
__ | ___________________|__ | ___________________| __ | | | | |___________________|__ | Eustatius KIRBERG | __ | (1540-1614)x1575 | | | | ___________________|__ | | | | |___________________| __ | | | | |___________________|__ |--Gottfried KIRBERG | (1584-1641)x1614 __ | | | ___________________|__ | | | Johannes PEILL | __ | | (1510-1562) | | | | |___________________|__ | | | Katharina PEILL | __ (1540-1628)x1575 | | | Peter GRAHERDS |__ | | (1490-1555) | Anna GRAHERDS | __ (1515-....) | | | Katharina |__