Complex sentence: The poet Aeschrion of Samos denied that his compatriot Philaenis was really the author of this notorious work, insisting that it was instead written by Polycrates, an Athenian sophist.
Split into simpler sentences: The poet Aeschrion of Samos denied that his compatriot Philaenis was really the author of this notorious work. According to Aeschrion, it was instead written by Polycrates, an Athenian sophist.