Ancestors of Parke D. Yost

                             /--Henry Yost
                     /--George Yost  b. 13 JAN 1813 at Lancaster Co., PA  d. 26 JUN 1878
             /--John W. Yost  b. 19 JUN 1865 at Warwick, Lancaster Co., PA  d. 3 OCT 1916
             |       \--Caroline Mumma  b. 1825 at Lancaster Co., PA  d. 22 APR 1887
Parke D. Yost  b. 1896 at Lancaster Co., PA
             |       /--Emanual Duck
             \--Elizabeth "Lizzie" Duck  b. 12 APR 1862 at Brownstown, Lancaster Co., PA  d. 12 SEP 1945
                     \--Mary