Anna F. B. Gerstner of Decatur, Illinois, died Monday, March 16, 2009 at LindenGrove in Waukesha at the age of 89. She was born on January 30, 1920 in Scotland, the daughter of Charles A. K. and Auslag Bertun. She married William C. Gerstner III who preceded her in death in June 2008. Anna will be sadly missed by her son, Jan (Kay) Gerstner of Delafield. Services will be held at a later date. Randle-Dable Funeral Home is honored to serve the family.