Ancestors of Katherine Louise Johnson

                             /--Rufus E. Johnson  b. 1 JAN 1825 at   d. 11 SEP 1879
                     /--Lewis Oscar Johnson  b. 5 JAN 1854 at Pike Co., IL  d. 27 MAR 1931
                     |       |       /--Jacob Moomaw  b. 31 JUL 1796 at Botetourt Co., VA  d. 15 NOV 1847 =>
                     |       \--Annie Moomaw  b. 8 APR 1830 at Logan Co., OH  d. 31 MAR 1870
                     |               \--Elizabeth "Betsey" Ohmart  b. 16 OCT 1798 at Shenandoah Co., VA  d. 12 APR 1885 =>
             /--Osce Alvin Johnson  b. 22 NOV 1887 at 
             |       \--Sarah A. Cooper  b. 9 MAR 1853 at   d. 17 SEP 1892
Katherine Louise Johnson  b. 1912 at 
             \--Hattie Hess  d. 1940