Ancestors of Isaac Yost

                     /--Henry Yost
             /--George Yost  b. 13 JAN 1813 at Lancaster Co., PA  d. 26 JUN 1878
Isaac Yost  b. 6 JUN 1845 at Upper Leacock twp., Lancaster Co., PA  d. 21 FEB 1921
             \--Caroline Mumma  b. 1825 at Lancaster Co., PA  d. 22 APR 1887