Complex sentence: Visscher, fearing that his troops would not be enough, requested reinforcements from Pakubuwono II. Pakubuwono II agreed to send an artillery squad, but it was secretly intended to reinforce the Chinese.
Split into simpler sentences: Visscher, fearing that his troops would not be enough, requested reinforcements from Pakubuwono. II Pakubuwono II agreed to send an artillery squad, but it was secretly intended to reinforce the Chinese.