Actress and former supermodel Dayle Haddon died on Friday, December 27 at the age of 76 from carbon monoxide poisoning. People.

After receiving a 911 call, police arrived at the home of Hallmark star (and Haddon’s son-in-law) Marc Blucas in Pennsylvania. A police report said Haddon was found dead in a second-floor bedroom. Her toxicology report is still being processed to determine the official cause of death.

“The investigation indicates that the carbon monoxide leak was caused by a faulty flue and exhaust pipe of the gas heating system,” authorities said in an update on their department website.

Meanwhile, 76-year-old Walter Blucas was found unconscious on the first floor of the home and is currently in hospital receiving treatment. As ABC 6 other family members were in the main house on the property and were not affected by the leak.

She appeared on the cover before Haddon’s death Sports Illustrated in 1973 he represented companies such as Revlon and Esteé Lauder and became a UNICEF ambassador.

Haddon’s daughter Ryan shared a heartfelt tribute on Instagram following the news of her mother’s death. She included both current photos of her mom along with some of Haddon’s modeling shots.

“She held up so many people, saw their greatness that was sometimes hidden from them, and always built bridges with her own connections to help them rise,” wrote Ryan Haddon. “She was the greatest champion of all. An inspiration to many.”

“I always believe in the timing of things,” she added in the caption. “There are no accidents, and certainly how we enter and exit this world is mystical and unknowable. She was a high-hearted spiritual being who valued her soul’s development, so I know her journey here in this dimension must have been completed .”