Ancestors of Roy Wilson Thomas

             /--Samuel E Thomas  b. 1883 at   d. 1963
Roy Wilson Thomas  b. 19 JAN 1914 at WY  d. 1 MAR 1996
             |       /--Winfield Scott Mumma  b. 13 FEB 1857 at OH  d. 14 APR 1921 =>
             \--Nellie M Mumma  b. 2 SEP 1882 at IL  d. MAR 1980
                     \--Myra Etta Wilson  b. 14 MAR 1867 at PA  d. 23 JUN 1952