+--Martin BERG 
   +--George Friedrich BERG  (15  1782-1842)
   |  +--Justina Christina BERG 
+--Friedrich Eduard BERG  (9 MAR 1820-)
|  +--Gottliebe RITTER  (1784-)
Adolph Gustav BERG  (26 DEC 1843-18 JUL 1845)
|     +--Johann GIZEWSKÿ  (1760-1811)
|  +--Johann GÿZEWSKI  (12 AUG 1782-)
|  |  +--Maria Elisabeth OBTUDOWNA 
+--Catharina GIZEWSKA  (1822-)
   |  +--Jakob GRANICA  (ABT 1773-2 JAN 1848)
   +--Carolina GRANICA  (24 DEC 1796-15 JAN 1880)
      |  +--Joseph ORLOWSKI 
      +--Anna Dorothea ORLOWSKI  (2 MAY 1773-23 MAR 1802)
         +--Maria KASCHKOWITZOWNA