+--Clarence Vernon DAVID  (6 DEC 1924-19 FEB 1984)
Donald Edmund DAVID  (21 MAY 1956-23 MAR 2009)
|        +--horace mann COON  (1 JUL 1852-23 OCT 1891)
|     +--Jesse Jay COON  (17 JUN 1877-26 NOV 1963)
|     |  +--Mary Francis DENNIS  (12 JAN 1854-9 JUN 1935)
|  +--Aaron Basil COON  (15 NOV 1901-14 SEP 1966)
|  |  +--Edna MILLER  (OCT 1880-)
+--Alma Bernice COON  (12 MAY 1925-13 DEC 2006)
   |        +--Andreas HAACK 
   |     +--August HAACK  (20 JUN 1845-4 NOV 1914)
   |     |  +--Maria KELCH 
   |  +--Alexander Frederick HAACK  (8 FEB 1871-15 JAN 1934)
   |  |  +--Amelia LEHRKE  (30 NOV 1858-28 APR 1935)
   +--Harriett (Hattie) E HAACK  (1904-31 JAN 1962)
      +--Marie BISCHOFF  (5 OCT 1876-25 MAR 1948)