Helbling
Drag or scroll to see more of the chart.
Valentin Helbling
1854-1938
1854-1938
Emma Bühler
1861-1914
1861-1914
Gottlieb Steiger
1880-
1880-
Valentin Helbling
1903-1975
1903-1975
Constantina Braun
1904-1983
1904-1983
Eugene Valentine Helbling
1925-1995
1925-1995
Betty Lu Steiger
1930-2005
1930-2005