Ancestors of David Aristotle Briggs

                     /--Marland Willard Briggs  b. 12 APR 1925 at Henry Co., IL
             /--Michael Willard Briggs
             |       |       /--George Thomas Riggs  b. 7 JUL 1888 at Champaign Co., IL  d. 22 JUN 1956
             |       \--Charlotte Ethelyn Riggs
             |               \--Nora Ethelyn Mumma  b. 12 DEC 1888 at IN  d. 30 OCT 1967 =>
David Aristotle Briggs
             \--Cynthia Geraldine Wise