Dardanus then executed Sebastianus and sent his head to Honorius 's court at Ravenna .
Due to broken relations between Jovinus and King Ataulf of the Visigoths , however , Ataulf captured Sebastianus in 413 and turned him over to Dardanus , Honorius ' praetorian governor in Gaul .
Dardanus then executed Sebastianus and sent Sebastianus ' head Honorius Honorius 's court at Ravenna .
Due to broken relations between Jovinus and King Ataulf of the Visigoths , however , Ataulf captured Sebastianus in 413 and turned him over to Dardanus , Honorius ' praetorian governor in Gaul .