+--John Gilbert  (Mar 1874-BEF 1940)
Charlotte A Gilbert  (23 May 1905-24 Dec 1997)
|     +--Anders Andrew Andersson  (1824-)
|  +--Carl Ludwig (Charles) Anderson  (9 Aug 1850-3 Apr 1907)
|  |  +--Elizabeth   (1826-)
+--Emma Maria Lucia Anderson  (15 Dec 1880-AFT 1940)
   |     +--Johan Bjorkman  (1808-8 Apr 1881)
   |  +--Fredrick A Bjorkman  (1835-)
   +--Charlotta Sofia Bjorkman  (25 Mar 1854-5 Aug 1941)
      +--Katherine (Marie) Lotta Johnson  (1840-)