 He was laid in a porphyry sarcophagus next to his brother Gratian, most probably in the Chapel of Sant'Aquilino attached to San Lorenzo.At first Arbogast recognized Theodosius's son Arcadius as emperor in the West, seemingly surprised by his charge's death.After three months, during which he had no communication from Theodosius, Arbogast selected an imperial official, Eugenius, as emperor.