Actor Cameron Boyce, best known for his role as the teenage son of Cruella de Vil in the Disney Channel franchise “Descendants,” has died. He was 20.

Boyce, who played Carlos de Vil in the “Descendants” movies, died Saturday at his home in Los Angeles, according to his spokesperson.

An official cause of death has not been announced, but his family released a statement Sunday saying Boyce “passed away in his sleep due to a seizure that was a result of an ongoing medical condition for which he was being treated.”

He also starred in the upcoming HBO series “Mrs. Fletcher.”