+--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)
Frederick Alexander HAACK  (7 JUL 1911-10 NOV 1991)
+--Marie BISCHOFF  (5 OCT 1876-25 MAR 1948)