+--Henry Kretschman 
Kathryn Kretschman 
|  +--John C Heller  (1896-)
+--Marie C Heller 
   |     +--Anders Andrew Andersson  (1824-)
   |  +--Carl Ludwig (Charles) Anderson  (9 Aug 1850-3 Apr 1907)
   |  |  +--Elizabeth   (1826-)
   +--Clara Anderson  (10 Jun 1894-26 Aug 1972)
      |     +--Johan Bjorkman  (1808-8 Apr 1881)
      |  +--Fredrick A Bjorkman  (1835-)
      +--Charlotta Sofia Bjorkman  (25 Mar 1854-5 Aug 1941)
         +--Katherine (Marie) Lotta Johnson  (1840-)