+--Josef DIRR 
+--Simon DIRR  (24 SEP 1709-)
|  |  +--Gabriel KAST  (-15 APR 1693)
|  +--Anna KAST  (-24 JUL 1714)
Leonhard DÜRR  (01 NOV 1740-30 SEP 1791)
|     +--Thomas MAHLER  (ABT 1650-29 OCT 1707)
|  +--Georg MAHLER  (-1745)
+--Margaretha MAHLER  (16 MAY 1718-)
   |  +--Michael NIEDERHOFER  (-22 OCT 1706)
   +--Barbara NIEDERHOFER 
      |  +--Christian WOLF 
      +--Margaretha WOLF