Complex sentence: He sent a messenger to each of the noblemen, asking them if they approved of Intaphernes's actions; they denied it and disavowed any connection to Intaphernes's actions, stating that they stood by their decision to appoint Darius as King of Kings.
Split into simpler sentences: He sent a messenger to each of the noblemen, asking them if they approved of Intaphernes's actions. They denied and disavowed any connection with Intaphernes's actions, stating that they stood by their decision to appoint Darius as King of Kings.