Ancestors of William Robert Gerbig

                     /--Robert Elwood Gerbig
             /--Ronald Elwood Gerbig
             |       \--Mildred Gladys Vivian
William Robert Gerbig
             |       /--William Kepple Mumma  b. 7 SEP 1900 at Wormleysburg, Cumberland Co., PA  d. 28 JUL 1958 =>
             \--Shirley Marie Mumma  b. 1 JAN 1937 at Wormleysburg, Cumberland Co., PA  d. 15 JUL 1997
                     \--Nellie May Hoffman  b. 18 MAR 1907 at Wormleysburg, Cumberland Co., PA  d. 5 JUN 1973 =>