Canadian actress and mannequin Dayle Haddon died Friday from a suspected incident of carbon monoxide poisoning which occurred on the residence of her son-in-law, Marc Blucas, who starred within the TV collection “Buffy the Vampire Slayer.” She was 76.

Haddon was found in Blucas’ residence in Bucks County, Pa. CBS referenced a police officer stating excessive ranges of carbon monoxide have been detected contained in the property. A malfunction with the heating unit was additionally suspected. It has not but been confirmed if Blucas was current on the time of loss of life.

Born and raised in Montreal, Haddon spoke each English and French. She was initially pursuing a profession as a ballet dancer earlier than turning into a mannequin for Revlon, Estee Lauder, Clairol and Max Issue. She was featured on the quilt of Vogue a number of instances over the course of her profession. She additionally appeared on the quilt of the 1973 Sports activities Illustrated Swimsuit Subject and was acknowledged in Harper’s Bazaar’s listing of “Ten Most Lovely Ladies” twice.

Haddon transitioned to performing within the early Nineteen Seventies. Her on-screen credit embody “The World’s Best Athlete,” “Cheaters,” “Madame Claude,” “North Dallas Forty,” “Desert Chase,” “Cyborg” and “Bullets Over Broadway.”

She was later the face of L’Oreal’s anti-aging merchandise in addition to the writer of the e-book “Ageless Magnificence: A Girl’s Information to Lifelong Magnificence and Effectively-Being.”

Haddon was additionally an envoy for the UN kids’s reduction fund UNICEF in addition to the founding father of WomenOne, a New York-based group that helps increase academic alternatives for girls.