Ancestors of Jonathan David Mikan

             /--George Patrick Mikan
Jonathan David Mikan
             |       /--Marland Willard Briggs  b. 12 APR 1925 at Henry Co., IL
             \--Susan Frances 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