Complex sentence: At this point, Admiral Speelman was in Jepara, sailing there from Surabaya after hearing of the fall of the capital, and his forces had recovered important coastal town in Central Java, including Semarang, Demak, Kudus and Pati.
Split into simpler sentences: At this point, Admiral Speelman was in Jepara, sailing there from Surabaya after hearing of the fall of the capital. His forces had recovered important coastal town in Central Java, including Semarang, Demak, Kudus and Pati.