George Schrock
1903 -Drag or scroll to see more of the chart.
Joseph Schrock
1828-1901
1828-1901
Magdalena Guingerich
1830-1922
1830-1922
John Schrock
1855-1930
1855-1930
Rosa Witmer
1853-1938
1853-1938
Ben Schrock
1880-
1880-
George Schrock
1903-
1903-