Robert Franklin Schweickart
1909 - 1990 (80 years)Drag or scroll to see more of the chart.
Ludwig Friedly
1808-1886
1808-1886
Katharina Magdalena Jacky
1814-1894
1814-1894
Philipp Schweikhardt Schweickart
1836-1912
1836-1912
Barbara Friedly
1839-1928
1839-1928
Edward Daniel Schweickart
1871-1955
1871-1955
Iona Emma Schatzman
1876-1952
1876-1952
Robert Franklin Schweickart
1909-1990
1909-1990