Ancestors of Kenneth Jansen

             /--Jerome B. "Jerry" Jansen  b.  at Summerfield, IL  d. 1 MAY 2015
Kenneth Jansen
             |               /--William Walter Mumma  b. 20 MAR 1884 at Lykens Borough, Dauphin Co., PA  d. 23 FEB 1925
             |       /--Robert W. Mumma  b. MAR 1915 at Sudbury, Dauphin Co., PA  d. 21 APR 1986
             |       |       \--Mary E. Wagner  b. 1885 at PA
             \--Martha E. Mumma  d. 25 MAR 2015
                     \--Ruth I. King