+--Franz Böhmann  (ABT 1766-)
      +--Johann Henrich Bohmann  (1788-)
      |  +--Maria Catharina Brockmann 
   +--Johann Joseph Bohmann  (BEF 1855-)
   |  +--Helene Brinkmann  (1790-)
+--Heinrich Bohmann  (2 Jan 1875-17 Dec 1964)
|  +-- Engelina Johanna  Folken Schmied 
Theodor Bohmann  (23 Dec 1910-1 Feb 1997)
+--Margarethe Block  (1 Feb 1875-)