Ancestors of Jeffrey William Kettering

                     /--Isaac Bucher Kettering  b. 23 JUN 1884 at Lebanon Co., PA  d. 7 JUN 1950
             /--John Walter Kettering  b. 25 SEP 1920 at 
             |       |       /--Daniel Engle  b. 19 AUG 1837 at Hummelstown, Dauphin Co., PA  d. 24 OCT 1920 =>
             |       \--Mary Mumma Engle  b. 12 DEC 1878 at Dauphin Co., PA  d. 21 JUL 1932
             |               \--Mary N. Mumma  b. 22 JAN 1844 at Dauphin Co., PA  d. 29 DEC 1903 =>
Jeffrey William Kettering
             \--Jeanne B. Kaufman