Arthur Stephen Helbling
1890 - 1961 (70 years)Drag or scroll to see more of the chart.
Maria Eva Fried
1787-
1787-
Jakob Helbling
1823-
1823-
Anna Maria Fried
1830-
1830-
Rochus Helbling
1853-1928
1853-1928
Dorothy Knoll
1859-1901
1859-1901
Arthur Stephen Helbling
1890-1961
1890-1961