Complex sentence: Triphyllius was a follower of Saint Spyridon of Trimythous and an ardent supporter of St. Athanasius of Alexandria against the Arians and consequently was persecuted by them.
Split into simpler sentences: Triphyllius was a follower of Saint Spyridon of Trimythous. He was also an ardent supporter of St. Athanasius of Alexandria against the Arians, and consequently he was persecuted by them.