Complex sentence: The city was mentioned in a letter from the king of Carchemish to Zimri-Lim of Mari, the letter suggests that Irridu had been a subject to Carchemish, subsequently it came under the Rule of Yamhad.
Split into simpler sentences: The city was mentioned in a letter from the King of Carchemish to Zimri-Lim of Mari. The letter suggested that Irridu had been a subject to Carchemish, and subsequently it came under the Rule of Yamhad.