Bertha was reported missing by out of state family during January 1993. The investigation revealed that the last person who saw her was her husband, at their home during the early evening hours of 12/27/1992.
Bertha left behind two daughters: and 8 years old from an earlier marriage and a 4year old with her, then, present husband. This investigation has continued over the years with negative results for any trace of Bertha. (Information retrieved from NamUs.gov)