Ancestors of Thomas R. Wickersham

             /--Oscar Gardner Wickersham  b. 1873 at   d. 1949
Thomas R. Wickersham  b. 1905 at 
             |       /--Isaac Mumma  b. 2 MAY 1824 at Highspire, Dauphin Co., PA  d. 11 MAR 1887 =>
             \--Helen Opal Mumma  b. 1 JUN 1875 at Highspire, Dauphin Co., PA  d. 30 JAN 1951
                     \--Mary Nissley  b. 13 DEC 1828 at Hummelstown  d. 30 JUL 1912 =>