Henry E. Helman
1883 - 1970 (86 years)Drag or scroll to see more of the chart.
Joseph Berkey
1822-1907
1822-1907
John David Gordon
1837-1912
1837-1912
Elizabeth Berkey
1841-1918
1841-1918
Jesse Helman
1848-
1848-
Frances Gordon
1858-1929
1858-1929
Henry E. Helman
1883-1970
1883-1970