Domna committed suicide in 217 upon hearing of Caracalla's assassination in the course of his campaign against Parthia, on which she had accompanied him to Antioch (present-day Antakya, Turkey). After the death of Domna, her older sister Julia Maesa successfully contended for political power. The Severan dynasty was restored to power with the accession of Maesa's grandson, Elagabalus, in 218. The dynasty maintained power until 235 when the reign of Severus Alexander, the cousin and successor of Elagabalus, ended. This marked the start of the Crisis of the Third Century.