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2 dead in Daggett County rollover were epilepsy advocates

MANILA, Daggett County — A father and his stepdaughter who died when their minivan rolled three times in Daggett County were advocates for people with epilepsy.

The Epilepsy Association of Utah said the driver, Mark Mathews, 48, was the group's volunteer coordinator and a member of its board. His stepdaughter, Sage Edson, whose age wasn't immediately known, was a photographer for the association.

Both died at the scene of the crash about 4:45 p.m. Monday, the Daggett County Sheriff's Office said in a Monday prepared statement.

"Not only is this a huge loss to the Mathews and Edson families, but also to our epilepsy family," the advocacy group said in a separate statement issued Tuesday.

Other family members who were injured in the crash also were advocates. Among the injured were Angie Mathews, Mark's wife and board member, and their son Jeremiah, who has epilepsy, according to the statement.

Not everyone in the car has been identified.

The sheriff's office said a helicopter flew a 25-year-old woman to a hospital in Salt Lake City. Another woman and an 11-year-old boy were taken to Ashley Regional Medical Center in Vernal. The driver and the front passenger were wearing seat belts, but detectives believe the family members in the back of the van were not.

"We are heartbroken to hear this news and to share it," the association said, sending condolences to the family. "We feel this loss already and will forever."