Ancestors of Mary Frances Riggs

             /--George Thomas Riggs  b. 7 JUL 1888 at Champaign Co., IL  d. 22 JUN 1956
Mary Frances Riggs  b. 6 AUG 1918 at Champaign Co., IL
             |       /--William Walter Mumma  b. 2 FEB 1855 at Root Twp., Adams Co., IN  d. 29 MAY 1906 =>
             \--Nora Ethelyn Mumma  b. 12 DEC 1888 at IN  d. 30 OCT 1967
                     \--Catherine Rebecca Singleton  b. 22 APR 1859 at York Co., PA  d. 5 APR 1912 =>