of Sun City, Arizona, formerly of Bismarck, North Dakota, died June 15, 2012 at Sun City, Arizona. Burial will be in the National Memorial Cemetery of Arizona. Bertha was born in North Dakota to William and Helen Seibel Klein. She is survived by her children, Randall (Jean) Case of Mesa, Arizona and Laurel Case of Philadelphia, Pennsylvania; her two sisters, Alvina Laib and Beverly Boehm of Bismarck, North Dakota and brother, Ronald Klein of Duluth, Minnesota. She was preceded in death by her parents and her husband, Jack E. Case. Donations in her memory may be made to the Germans from Russia Heritage Society Endowment Fund, 1125 West Turnpike Ave., Bismarck, ND 58501-8115.