Study design: Qualitative study (study based on interviews) Population: Three groups will be interviewed: bereaved families, patients with epilepsy and relatives of patient. Bereaved family: relatives who contact the French sentinel network "Réseau Sentinelle Mortalité Epilepsie" (RSME) notifying an epilepsy-related death (regardless the cause of the death and the timeframe between death and interview). Patients with epilepsy: patients having a secure diagnostic of epilepsy from 15 years old to 65 years old. Relatives of patients with epilepsy: spouse/husband or parents invited by a patient with epilepsy to participate to the interview who consent to participate.