NEW ULM, Minn. (AP) — Officials are identifying the six people accidentally killed in a fire at a New Ulm bed breakfast.

They are 48-year-old Roberta Ann McCrea of New Ulm, the owner of the Bohemian Bed and Breakfast, and her daughters, 15-year-old Abby Gayle Wood and 3-year-old Savannah Grace McCrea.

Also killed were 67-year-old Andrew Uhing of Hardington, Neb.; 62-year-old Joseph J. Bergman of Centuria, Wis. and 59-year-old Dian Lee Bergman of Centuria, Wis.

The Ramsey County medical examiner’s office has determined all but Joseph Bergman died of carbon monoxide poisoning due to the fire. He was found to have died of burns.

The cause of the fire is under investigation by the New Ulm Fire Department, the state fire marshal’s office and the federal Bureau of Alcohol, Tobacco, Firearms and Explosives.