Complex sentence: At the "Council of Rome", held in Lent 1076, he excommunicated several bishops accused of simony and he presided over the "Council of Bordeaux" in 1080.
Split into simpler sentences: At the "Council of Rome", held in Lent 1076, he excommunicated several bishops accused of simony. He also presided over the "Council of Bordeaux" in 1080.