Robert G. Geissman
1909 - 1976 (67 years)Drag or scroll to see more of the chart.
Johannes Christian Balthaser
1808-1890
1808-1890
Anna Maria Acker
1815-1857
1815-1857
Wilhelm Simon Geissmann Geissman
1835-1920
1835-1920
Caroline Balthaser
1841-1900
1841-1900
Edward Geissman
1874-1958
1874-1958
Edna C. Bacon
1881-1966
1881-1966
Robert G. Geissman
1909-1976
1909-1976