Taufeintrag (IGI): „Wilhelm Ketzberg“, Vater „Johann Henrich Ketzberg“
__ | __|__ | Johann Wilhelm KETZBERG | __ | | | | |__|__ | Johann Heinrich KETZBERG | __ | | | | | __|__ | | | | | N. | __ | | | | |__|__ |--Wilhelm KETZBERG | (1749-....) __ | | | __|__ | | | __________________________| __ | | | | | | |__|__ | | | N. | __ | | | __|__ | | |__________________________| __ | | |__|__