Complex sentence: According to De Plancy's "Dictionnaire Infernal", Belphegor was Hell's ambassador to France; consequently, his adversary is St Mary Magdalene, one of the patron saints of France.
Split into simpler sentences: According to De Plancy's "Dictionnaire Infernal", Belphegor was Hell's ambassador to France. Consequently, his adversary is St Mary Magdalene, one of the patron saints of France.