Henry David Helfer
1862 - 1916 (54 years)Drag or scroll to see more of the chart.
Johannes Jakob Helfer
1764-1840
1764-1840
Anna Eva Kettering
1762-
1762-
Andreas Helfer
1798-
1798-
Heinrich Helfer
1842-
1842-
Henry David Helfer
1862-1916
1862-1916