Mahe and his wife, Sunny, announced daughter Elsie's death on social media Tuesday. The announcement says the girl had two neurological exams and both tested positive for brain death. It says she died Tuesday evening. A family spokesman confirmed the girl's death on Twitter .
The accident happened in the Mahes' Utah home on Nov. 22.
The Mahes say they worked to have girl's organs donated.
Reno Mahe played five seasons in the NFL for the Philadelphia Eagles from 2003 to 2007. He coaches running backs at BYU.