Bierman was married to Clara McKenzie Bierman. They had two sons, William A. Bierman, a lawyer in St. Paul, Minnesota, and James Bierman, of Los Angeles, California. Bierman was a brother of the Alpha Delta Phi Fraternity.
Bierman was married to Clara McKenzie Bierman. They had two sons, William A. Bierman, a lawyer in St. Paul, Minnesota, and James Bierman, of Los Angeles, California. Bierman was a brother of the Alpha Delta Phi Fraternity.