Complex sentence: During one of these raiding voyages, Libau Rentap attacked and killed a boatful of Sambas people, one of them who was the nephew of Sultan Sambas, whose "keris" (dagger) was distinguishable by its golden handle.
Split into simpler sentences: During one of these raiding voyages, Libau Rentap attacked and killed a boatful of Sambas people. One of them was the nephew of Sultan Sambas, whose "keris" (dagger) was distinguishable by its golden handle.