Ancestors of Glenn R. Sperry

             /--Vernon E. Sperry  b. 16 FEB 1912 at NY  d. 23 NOV 2001
Glenn R. Sperry
             |               /--George L. Mumma  b. 7 MAY 1854 at Baltimore, MD  d. 7 JAN 1911
             |       /--Howard S. Mumma  b. 22 JUN 1884 at Baltimore Co., MD  d. 1 SEP 1943
             |       |       \--Letitia Erdman  b. 12 NOV 1854 at Baltimore, MD  d. 13 NOV 1919
             \--Edwina L. Mumma  b. 26 SEP 1913 at Baltimore Co., MD  d. 18 OCT 1990
                     |       /--Edwin F. Forrest  b. APR 1858 at PA  d. 1918
                     \--Maude F. Forrest  b. 1886 at IL
                             \--Maud B.   b. SEP 1862 at MI  d. 1939