Ancestors of John Wilfred Van Dyke

             /--William W. Van Dyke  b. SEP 1839 at IA  d. MAY 1917
John Wilfred Van Dyke  b. NOV 1873 at IA
             |       /--David Mumma  b. 1 OCT 1819 at Washington Co., MD  d. 27 JUL 1882 =>
             \--Margaret M. Mumma  b. AUG 1847 at Mt. Carroll Twp., Carroll Co., IL  d. DEC 1915
                     \--Mary Catherine Harris  b. 21 JUN 1827 at Washington Co., MD  d. 6 AUG 1918 =>