Complex sentence: He became known as a defender of the rights of the Church against Sivigald, the governor appointed by Theuderic, and the chief event of his episcopate was the Council of Clermont in 535.
Split into simpler sentences: He became known as a defender of the rights of the Church against Sivigald, the governor appointed by Theuderic. The chief event of his episcopate was the Council of Clermont in 535.