Fehlende Vorfahren von Jürgen Koch in Bezug auf:
Generation 6: 1
Generation 7: 2
Generation 7: 3
Generation 6: 4
Generation 5: 5
Generation 4: 6
Generation 2: 7
Generation 5: 8
Generation 7: 9
Generation 4: 10
Generation 3: 11
Generation 7: 12
Generation 6: 13