Ancestors of Robert Mumma Landis

             /--Harry H. Landis  b. 1899 at   d. 1973
Robert Mumma Landis  b. 12 APR 1924 at East Petersburg, Lancaster Co., PA  d. 27 APR 2020
             |               /--Jonas H. Mumma  b. 4 JUN 1821 at E. Donegal Twp., Lancaster Co., PA  d. 7 FEB 1885
             |       /--Samuel Nissley Mumma  b. 10 OCT 1858 at Lancaster Co., PA  d. 6 FEB 1925
             |       |       \--Anna H. Nissley  b. 8 DEC 1836 at Lancaster Co., PA  d. 21 MAR 1915
             \--Esther Dorothy Mumma  b. 3 OCT 1899 at Lancaster Co., PA  d. 22 OCT 1964
                     \--Elizabeth H. "Lizzie" Brubaker  b. 19 NOV 1859 at   d. JUN 1923