Ancestors of Jonathan Wallace

             /--Ronald E. Wallace
Jonathan Wallace
             |       /--Russell Harvey Mentzer  b. 2 JAN 1914 at   d. 30 MAY 1970
             \--Dona Lee Mentzer
                     |       /--John McArdle Mumma  b. 28 JUN 1886 at Lancaster Co., PA  d. 4 MAR 1974
                     \--Helen Miller Mumma  b. 29 MAY 1917 at   d. 21 AUG 1990
                             \--Bertha Catherine Miller  d. 8 JAN 1975