Eumène was the son of Ursilius de Chapteuil but his mother is unknown. The date and place of his birth have not been found.
Eumène de Chapteuil
Ursilius de Chapteuil (c0340-c0395)
Urilinus de Chapteuil (c0315-?)
Gettius Ursulus de Chapteuil (c0290-0332)