Complex sentence: Syriacus, Eusebius, and Priscian--with a synodal letter to Pope Damasus I, archbishop Saint Ambrose and the other bishops assembled in the council at Rome.
Split into simpler sentences: Syriacus, Eusebius, and Priscian--with a synodal letter to pope Damasus, archbp. Ambrose, and the other bishops assembled in council at Rome.