John Leroy Blackstone
1908 - 1975 (67 years)Drag or scroll to see more of the chart.
Johannes Heil
1803-1878
1803-1878
Maria Barbara Seibert
1808-1891
1808-1891
Peter Heil
1846-1886
1846-1886
Mary Kress
1849-1911
1849-1911
Clark Otis Blackstone
1874-1942
1874-1942
Mary Margaret Heil
1884-1959
1884-1959
John Leroy Blackstone
1908-1975
1908-1975