Jochim Geercke
yDNA auDNA DNA descendants

Anna M. Mahnke
auDNA DNA descendants

[Grandfather Unknown]
auDNA xDNA

[Grandmother Unknown]
mtDNA auDNA xDNA
parent bracket parent bracket

Henry J. Geercke
yDNA auDNA DNA descendants

Johanna C. Bahrt
mtDNA auDNA xDNA DNA descendants
parent bracket

Robert Geercke
yDNA mtDNA auDNA xDNA DNA descendants