Complex sentence: In September, Chivers joined up with Robert Culiford (who had recently left William Kidd) and Nathaniel North who together captured the "Great Mohammed" along with £130,000.
Split into simpler sentences: In September, Chivers joined up with Robert Culiford (who had recently left William Kidd) and Nathaniel North. Together Chivers, Culiford and North captured the "Great Mohammed" along with £130,000.