Ancestors of William Henry Rohrer

                     /--John M. Rohrer  b. 16 JAN 1804 at Washington Co., MD  d. 19 DEC 1881
             /--Henry Charles Rohrer  b. 28 AUG 1826 at Rohrersville, Washington Co., MD  d. 10 DEC 1874
             |       \--Mary Hildebrand  b. 13 NOV 1806 at Shepherdstown, VA
William Henry Rohrer  b. ABT 1852 at Sharpsburg, Washington Co., MD  d. 1891
             |       /--Joseph Mumma  b. ABT 1786 at Hempfield Twp., Lancaster Co., PA  d. AFT 1830 =>
             \--Mary Elizabeth Mumma  b. JUN 1828 at Washington Co., MD  d. 22 FEB 1901
                     \--Elizabeth Shafer  b. 1802 at MD  d. AFT 1860