Cameron Boyce's Cause of Death Confirmed to Be Epilepsy The 'Descendants' star tragically br passed away earlier this month br at the young age of 20. The Los Angeles County Medical Examiner-Coroner br has ruled that his death was caused by a br sudden episode of epilepsy. Boyce's family previously br confirmed that the Disney br Channel star's death was "due to br a seizure as a result of epilepsy." Boyce family spokesperson Boyce's father, Victor Boyce, was the br first to break his silence on his son's death, br thanking his fans for their "love and support." His family launched the Cameron Boyce Foundation, br aiming to provide young people creative outlets br as alternatives to violence.