+--Hans George BLOCK  (ABT  1765-)
+--Johann Christian BLOCK  (CAL  1794-26 JUL 1828)
Hanne Rosine BLOCK  (04 NOV 1821-)
|  +--Johann Heinrich DREYZNER  (ABT  1765-)
+--Maria Christina DREYZNER  (22 DEC 1792-)
   +--Hanna Elisabeth N.N.  (ABT  1770-)