Ancestors of Robert J. Johnson

             /--Carl V. Johnson  b. 1908 at   d. 1954
Robert J. Johnson
             |       /--Calvin John "Shorty" Mumma  b. SEP 1885 at Knobsville, Fulton Co., PA  d. 1 JUN 1915 =>
             \--Neva Mae Mumma  b. 30 MAY 1908 at Knobsville, Fulton Co., PA  d. 13 JUL 1990
                     \--Grace Helen Hettinger  b. 20 JUL 1890 at Hagerstown, Washington Co. MD  d. 1 DEC 1991