Ancestors of Seth Edwin Willis

             /--David Edwin Willis  b. 13 MAR 1926 at Cleveland, OH  d. 2 FEB 2014
Seth Edwin Willis
             |       /--Levi Bushnell Mumma  b. 18 JUN 1898 at Mansfield, Richland Co., OH  d. 29 JUL 1979 =>
             \--Martha Louise Mumma  b. 31 MAR 1927 at Cleveland, OH  d. 14 NOV 2023
                     \--Grace Emma Martin  b. 11 OCT 1898 at   d. 5 JUL 1967