Dayle Haddon has died from suspected carbon monoxide poisoning at the home of her son-in-law, Buffy actor Marc Blucas.

Marc Blucas spoke about renovating the 1700s home that his mother-in-law Dayle Haddon would later die in during a resurfaced 2016 interview with the Hallmark Channel.

Model Dayle Haddon died in a suspected carbon monoxide leak at the Bucks County home of her son-in-law, Hallmark movie star Marc Blucas, officials said.