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
             |               /--Joseph Mumma  b. ABT 1786 at Hempfield Twp., Lancaster Co., PA  d. AFT 1830
             |       /--David Mumma  b. 1 OCT 1819 at Washington Co., MD  d. 27 JUL 1882
             |       |       \--Margaret Beckley  b. BET 1790 AND 1800 at   d. BEF 1824
             \--Margaret M. Mumma  b. AUG 1847 at Mt. Carroll Twp., Carroll Co., IL  d. DEC 1915
                     |       /--George W. Harris  b. ABT 1805 at PA  d. BEF 1887
                     \--Mary Catherine Harris  b. 21 JUN 1827 at Washington Co., MD  d. 6 AUG 1918
                             \--Sarah Lutter  b. ABT 1805 at MD  d. 6 MAY 1887