Robert McGraw
1917 - 2007 (90 years)Drag or scroll to see more of the chart.
Georg Jakob Kämmerer Kemmerer
1835-1885
1835-1885
Katharina Scherer
1842-1905
1842-1905
Robert H. Wilson
1861-1903
1861-1903
Wilhelmina Kämmerer
1865-1950
1865-1950
William E. McGraw
1887-1934
1887-1934
Jane Laura Wilson
1889-
1889-
Robert McGraw
1917-2007
1917-2007