Ancestors of Robert Edward Johnston

             /--Ross Dudley Johnston  b. 21 DEC 1909 at Minneapolis, MN  d. 15 MAY 1978
Robert Edward Johnston  d. 25 APR 1999
             |               /--William H. Lucas  b. 1865 at PA
             |       /--Samuel Frank Lucas  b. 24 SEP 1887 at Barry Twp Schuylkill Co., PA  d. 18 APR 1943
             |       |       \--Caroline "Carrie" 
             \--Virginia Mary Lucas  b. 1917 at Mount Carmel, PA  d. 15 OCT 2003
                     |       /--Aaron Mumma  b. 21 JUL 1859 at PA  d. 29 JUL 1911
                     \--Caroline "Carrie" Mummah  b. 17 OCT 1886 at Mount Carmel, Norhumberland Co., PA  d. 20 NOV 1964
                             \--Maria Fredrika Sieglinger  b. 25 DEC 1866 at Centralia, PA  d. 20 APR 1939